From patchwork Thu Mar 28 15:57:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13608831 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DB9C2131753; Thu, 28 Mar 2024 15:59:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711641546; cv=none; b=WebVIegxIelDSHA6/JeGj7HsypblqfTKl5qk51Mv30qAA3EfdENxVnnr0sRmRUKZt0xRLsRIo8KkdcLXTiBAdTe3fC7coDHlUbBDeXuYIyq0G9OMZx0OxB0zOHBr6C72mi8UnA37RQb/pte8H7dvUlMyy3nS6tt4rP4Av9cTQAk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711641546; c=relaxed/simple; bh=XGVDtIk3SPIofpG5xcrKrMNocLElzvW2jz69jdLlz3U=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=IzhdUilLTEqgHlmxuckdHYdK5doMPUSw7pzZ9b0PUCNI8LBdDH2A4Zd8SuDSZInjBT0P7J6xjNtJdKywnoivXH6Wf7mcpZSpSAd5eUcbVuVLWV7gCxu9W784FkrSgsSECCGaZdRfb6zPrKPnYa6aW9NY2keqzyjRiMrKgzO7pss= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tUQN0bGo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="tUQN0bGo" Received: by smtp.kernel.org (Postfix) with ESMTPS id 693C9C43609; Thu, 28 Mar 2024 15:59:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711641545; bh=XGVDtIk3SPIofpG5xcrKrMNocLElzvW2jz69jdLlz3U=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=tUQN0bGoq5tVQgE5x4VbIpPXwPrsSkP71bR63Gc5+4Fur0197zZGnvNZWbYVvP5YE I/4tVIePCbTp3ZXfsfKbDrFgHjQPwRy5q37vNmyRMrRYAvnpHMHEgbc8zbdA6WYtrw A3B3MX4WRxc27ZhbEpS88msJ0R4OkV1AwLMKJPRSza/juEGCGHoig9dN/uwAK8aucA p41CSzeLUGDL14YbNiVuOhV1Df6FHSyWKcE12UQvAVwF4qoa9eTSAnXW4XaifdTsjm TICx4igfT302dBM5hEhwgTJ9liDYFFL5W3DQHjl17xuyJgfQ74FposnKAyyPpnGbwj SV3zM71Aw2NrQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4421ACD1283; Thu, 28 Mar 2024 15:59:05 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 28 Mar 2024 16:57:48 +0100 Subject: [PATCH 1/7] memory: Remove the now superfluous sentinel element from ctl_table array Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240328-jag-sysctl_remset_misc-v1-1-47c1463b3af2@samsung.com> References: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> In-Reply-To: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> To: Andrew Morton , Muchun Song , Miaohe Lin , Naoya Horiguchi , John Johansen , Paul Moore , James Morris , "Serge E. Hallyn" , David Howells , Jarkko Sakkinen , Kees Cook , Herbert Xu , "David S. Miller" , Jens Axboe , Pavel Begunkov , Atish Patra , Anup Patel , Will Deacon , Mark Rutland , Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: Luis Chamberlain , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, io-uring@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Joel Granados X-Mailer: b4 0.13-dev-2d940 X-Developer-Signature: v=1; a=openpgp-sha256; l=2947; i=j.granados@samsung.com; h=from:subject:message-id; bh=G0BkbiS24qk3nYu5g34TDOv3csGuh2kZPaxeW+vD810=; b=owJ4nAHtARL+kA0DAAoBupfNUreWQU8ByyZiAGYFk8Nm85JUJMtVWCP7cQK3ztzb05qjvvmwk T3kPJF8vCCcyIkBswQAAQoAHRYhBK5HCVcl5jElzssnkLqXzVK3lkFPBQJmBZPDAAoJELqXzVK3 lkFPIpAL/1y2jHL0ldqx4fqCXGpuZzDqhJXCnpqihvZ32zsopWjrhi+p1ISWuGKdyIdGynRC+IV Je1APUKFuRDQVYxqM1OOjB5c5leSJAk/qPnLrVpVFMjq8BMGhuRvS3XCyTX6SzTiUUgoo0506Vz NdxhHpuidbjm1IXWicjzuhMbT+HeIsrG+Z/QyfDJBkzjhL5RfFK25EwE2GpcGp+W2NVEfWlgyfW Yhe6qx9yVJxD7gCRqTl4VBDmd8HgbLq2WAJmj/DanH2NusT804q+smteFEkRg3A8W6U1pdDlN6O f9WMoD8mGt09rh6Mn3JluYzMrRNYJYBueiePbq3oSBcYIQB8DEDuMNfJfUbRD3hBPJAI8OTijXf VC2kNdiWFsnrM7+rG3oIYSGgqNY5X5fbdcKv1xIifBGJmPD1hXxWTiGxTUgsESjz6+xH0At+0cJ 6Sxi6LMR4IMPjL9/EqLkXXjve+OYcbYo8A5uawCVRLr05E3l9IGfbpljEMx9fFQ7ew36yoKuYo7 AQ= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: j.granados@samsung.com From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel from all files under mm/ that register a sysctl table. Signed-off-by: Joel Granados Reviewed-by: Muchun Song Reviewed-by: Miaohe Lin --- mm/compaction.c | 1 - mm/hugetlb.c | 1 - mm/hugetlb_vmemmap.c | 1 - mm/memory-failure.c | 1 - mm/oom_kill.c | 1 - mm/page-writeback.c | 1 - mm/page_alloc.c | 1 - 7 files changed, 7 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index 807b58e6eb68..e8a047afca22 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -3345,7 +3345,6 @@ static struct ctl_table vm_compaction[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - { } }; static int __init kcompactd_init(void) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 23ef240ba48a..7ac5240a197d 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -5045,7 +5045,6 @@ static struct ctl_table hugetlb_table[] = { .mode = 0644, .proc_handler = hugetlb_overcommit_handler, }, - { } }; static void hugetlb_sysctl_init(void) diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c index da177e49d956..b9a55322e52c 100644 --- a/mm/hugetlb_vmemmap.c +++ b/mm/hugetlb_vmemmap.c @@ -679,7 +679,6 @@ static struct ctl_table hugetlb_vmemmap_sysctls[] = { .mode = 0644, .proc_handler = proc_dobool, }, - { } }; static int __init hugetlb_vmemmap_init(void) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 9349948f1abf..6a112f9ecf91 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -141,7 +141,6 @@ static struct ctl_table memory_failure_table[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - { } }; /* diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 8d6a207c3c59..4d7a0004df2c 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -724,7 +724,6 @@ static struct ctl_table vm_oom_kill_table[] = { .mode = 0644, .proc_handler = proc_dointvec, }, - {} }; #endif diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 3e19b87049db..fba324e1a010 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2291,7 +2291,6 @@ static struct ctl_table vm_page_writeback_sysctls[] = { .mode = 0644, .proc_handler = proc_dointvec_jiffies, }, - {} }; #endif diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 14d39f34d336..8b9820620fe3 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6211,7 +6211,6 @@ static struct ctl_table page_alloc_sysctl_table[] = { .extra2 = SYSCTL_ONE_HUNDRED, }, #endif - {} }; void __init page_alloc_sysctl_init(void) From patchwork Thu Mar 28 15:57:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13608832 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EF0E613175E; Thu, 28 Mar 2024 15:59:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711641546; cv=none; b=PB99BVHUofCQTMZB6CH7H2WEurUi5xeX2ExHbcjuOuzWLXNPV2sU6UuSRo90qljyeF8EbOm8kI69la6asoraKYUuw9bPBAPkeAUb2UqXxG3IT1kWr8f1FTTzEMl6rJa1Ftq7M2KjIYgx+aCKThDEZxyq90itUcn5UPmA5lJMC1U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711641546; 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Thu, 28 Mar 2024 15:59:05 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 28 Mar 2024 16:57:49 +0100 Subject: [PATCH 2/7] security: Remove the now superfluous sentinel element from ctl_table array Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240328-jag-sysctl_remset_misc-v1-2-47c1463b3af2@samsung.com> References: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> In-Reply-To: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> To: Andrew Morton , Muchun Song , Miaohe Lin , Naoya Horiguchi , John Johansen , Paul Moore , James Morris , "Serge E. Hallyn" , David Howells , Jarkko Sakkinen , Kees Cook , Herbert Xu , "David S. Miller" , Jens Axboe , Pavel Begunkov , Atish Patra , Anup Patel , Will Deacon , Mark Rutland , Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: Luis Chamberlain , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, io-uring@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Joel Granados X-Mailer: b4 0.13-dev-2d940 X-Developer-Signature: v=1; a=openpgp-sha256; l=2166; i=j.granados@samsung.com; h=from:subject:message-id; bh=MMRfTm4NsPGzunc+jLCBGXNs5d6MSZ7h8iaXBibxUBo=; b=owJ4nAHtARL+kA0DAAoBupfNUreWQU8ByyZiAGYFk8R1UXVA6OVx01bpEwxUOhfTMICbrVR2h 1f4SggspLYarIkBswQAAQoAHRYhBK5HCVcl5jElzssnkLqXzVK3lkFPBQJmBZPEAAoJELqXzVK3 lkFPOkcL/iL3V8wwR26L9QEsybs3FPUiCWjpFGJI5kszPVk0Stt5Whqa6ZRa3moK5yHXtROXmvH isu58CfDXlwnMMhjVDwBIJZd3E2mAxRS9baf5sTt0gDgfa0r546kRS/vV46bg4zIffFfucqpDvg 0fbbU/XhggxQ1E6Q2Vx19634oyUaqMW6dcA8Eb+mcpWiNtSXYJE7P54ZWgiJ+2+Q/k9nz7bCClt sEf6hL/2xqZg+knPxHu9eD/l1KgNVEmSCLGALUzExhRUHlM0pbydHbqK2OYALSMv/PdEgBKs6Gc bcSJHtuhVAopg7QCAi5uPSAsV5kKgSCCSBm2lPmOMiK16fx+3Cjhbr6h8H6SHMOYdFj4mbWCd45 LuweyC40jgWA9KA9AWJ5GbTqKDsNDBskuxjTGdV56ullhWNEauQL28puh5SoCK+byTFGBI4C3Zk idQbenpimWdJS+vXICzHjVOiMZZZeDcJN+nBisWSI5knBOJJhnflKNDQ1lTTBr8PkMV24lIia23 HQ= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: j.granados@samsung.com From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove the sentinel from all files under security/ that register a sysctl table. Signed-off-by: Joel Granados Acked-by: Kees Cook # loadpin & yama --- security/apparmor/lsm.c | 1 - security/keys/sysctl.c | 1 - security/loadpin/loadpin.c | 1 - security/yama/yama_lsm.c | 1 - 4 files changed, 4 deletions(-) diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index cef8c466af80..6239777090c4 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -2064,7 +2064,6 @@ static struct ctl_table apparmor_sysctl_table[] = { .mode = 0600, .proc_handler = apparmor_dointvec, }, - { } }; static int __init apparmor_init_sysctl(void) diff --git a/security/keys/sysctl.c b/security/keys/sysctl.c index b348e1679d5d..91f000eef3ad 100644 --- a/security/keys/sysctl.c +++ b/security/keys/sysctl.c @@ -66,7 +66,6 @@ static struct ctl_table key_sysctls[] = { .extra2 = (void *) SYSCTL_INT_MAX, }, #endif - { } }; static int __init init_security_keys_sysctls(void) diff --git a/security/loadpin/loadpin.c b/security/loadpin/loadpin.c index 8e93cda130f1..93fd4d47b334 100644 --- a/security/loadpin/loadpin.c +++ b/security/loadpin/loadpin.c @@ -63,7 +63,6 @@ static struct ctl_table loadpin_sysctl_table[] = { .extra1 = SYSCTL_ONE, .extra2 = SYSCTL_ONE, }, - { } }; static void set_sysctl(bool is_writable) diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c index 49dc52b454ef..b6684a074a59 100644 --- a/security/yama/yama_lsm.c +++ b/security/yama/yama_lsm.c @@ -463,7 +463,6 @@ static struct ctl_table yama_sysctl_table[] = { .extra1 = SYSCTL_ZERO, .extra2 = &max_scope, }, - { } }; static void __init yama_init_sysctl(void) { From patchwork Thu Mar 28 15:57:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13608833 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3BFC9131BC2; Thu, 28 Mar 2024 15:59:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711641546; cv=none; b=dWHuj3LubXjYYehmn7/YB0cO7pk6vEkRhaIaZN232F5OS4tFax489If781uDTeJS/N+9ujG+Mk+go7jgmwttGoHVJwaNMRs4GyQTAX0ytkGXeD5uzFqwjSoFQPj84o63yIS+iAuKj46uuS9X2Yu53TdYdwO+3I6TYceH2y1mMBA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711641546; c=relaxed/simple; bh=w/CAagCs93tnwOISaREraUes9B75EU7uQd/GrX75vJ4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=c3avkX4iUby6IwrjPt69q5/3a7nzFUaOUnPGQcdSJoh6qnQVn9rrE0AY4pIE342fYLPbzCqSpJQ4yJrB+kUmwz7bdHHXUOhZyu5y4gfLPe946MYzvAmbisK6hg2QvY9R5fFDnlrICugAa9DJWpDTZOQzn7OqyQq8FmgtCE7CYaM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rC+cSWQa; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="rC+cSWQa" Received: by smtp.kernel.org (Postfix) with ESMTPS id C150EC4166A; Thu, 28 Mar 2024 15:59:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711641545; bh=w/CAagCs93tnwOISaREraUes9B75EU7uQd/GrX75vJ4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=rC+cSWQaCVaIgFz+KeWgwqswKUa8HnduLtkqZzAPwFFb14jZuXZ9z7qBTzh7na9JS 4V+5V8bkh4Zo1vtFt6wL2mdo9OwzBhkto75XnOEIzmeixScBZYPvR6DETzowMtiLV0 Bom/CXB456RgDjKFiZ5VJHiLA3ZRIW2p7Tw3RPdOEaQB9vf3Bw1qOQd/OEW6BUbuBM HfMUSPdl/bztabiGFkLHcIvbKgvMacaCktlmCXi9YGgQhWi0a+5P7DPZ30NpYsAv8n sAg/FCFFpdhDZFJbUxFUp8sDopsYyyhRs1qa163ynn0i+CjZ+ujFMfHYzFlhQ8Qn9w 2Gy6wKhIFR5Yg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9DE43CD1283; Thu, 28 Mar 2024 15:59:05 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 28 Mar 2024 16:57:50 +0100 Subject: [PATCH 3/7] crypto: Remove the now superfluous sentinel element from ctl_table array Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240328-jag-sysctl_remset_misc-v1-3-47c1463b3af2@samsung.com> References: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> In-Reply-To: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> To: Andrew Morton , Muchun Song , Miaohe Lin , Naoya Horiguchi , John Johansen , Paul Moore , James Morris , "Serge E. Hallyn" , David Howells , Jarkko Sakkinen , Kees Cook , Herbert Xu , "David S. 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Thu, 28 Mar 2024 15:59:05 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 28 Mar 2024 16:57:51 +0100 Subject: [PATCH 4/7] initrd: Remove the now superfluous sentinel element from ctl_table array Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240328-jag-sysctl_remset_misc-v1-4-47c1463b3af2@samsung.com> References: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> In-Reply-To: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> To: Andrew Morton , Muchun Song , Miaohe Lin , Naoya Horiguchi , John Johansen , Paul Moore , James Morris , "Serge E. Hallyn" , David Howells , Jarkko Sakkinen , Kees Cook , Herbert Xu , "David S. Miller" , Jens Axboe , Pavel Begunkov , Atish Patra , Anup Patel , Will Deacon , Mark Rutland , Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: Luis Chamberlain , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, io-uring@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Joel Granados X-Mailer: b4 0.13-dev-2d940 X-Developer-Signature: v=1; a=openpgp-sha256; l=936; i=j.granados@samsung.com; h=from:subject:message-id; bh=dgUaKeQvY6Yod09xLYXFtRCigrPjq/BXAkqZRZrGl5Y=; b=owJ4nAHtARL+kA0DAAoBupfNUreWQU8ByyZiAGYFk8XUCfilPNsCftny+5XBz8vuxkpLL6JS7 SCj0hqJr2zVAokBswQAAQoAHRYhBK5HCVcl5jElzssnkLqXzVK3lkFPBQJmBZPFAAoJELqXzVK3 lkFPpf4L+wRgtVGVBHjTE3dn5OJC+qANHV6TvS+aBE93+XlWcxZos/8ML4JUmXrCqyDX+EjaEmt Bl1MIWQAVqLXLuV7NDHWaNzl/KaCn7lS4MToV9Ele72KR+KWBLrnjQ/I+5IQf/JDUlRkkrcBNbS 552foz839UfCmsc3qOa6OcB6/xYB/gBK5DxflSgUd+Ziu6Ae7iaojNn+RGbv1ZDklEFh/f8/jpD UqCAWxXD2JyYCZsEEpmsCmkOQB8efRr99QTCROusfn8mUMush1Bxod1cPFXq4Fekw4ycYERCYdk T7vpnaafd/mbKKROVnW0INiF64qLruVon1sVyPP7Jz/t2QGRfmb6SFLwTjQweUjiOxn0HPXQchy EIundt+krY0mkCcBVyKC6gb5Uo5ccOPPvzY1kjXyAJhmVlp7vjnoX3aUdTxwrpov1YY2pPjzf8J YpUSnaTsAtN6NIWpJsNhma0X8Fa3853Wn+ZChtFx+TOxMj9f6Srzl8C2TOGe/baq643G4sE5nC6 EY= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: j.granados@samsung.com From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel from kern_do_mounts_initrd_table. Signed-off-by: Joel Granados --- init/do_mounts_initrd.c | 1 - 1 file changed, 1 deletion(-) diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c index 425f4bcf4b77..22c7f41ff642 100644 --- a/init/do_mounts_initrd.c +++ b/init/do_mounts_initrd.c @@ -29,7 +29,6 @@ static struct ctl_table kern_do_mounts_initrd_table[] = { .mode = 0644, .proc_handler = proc_dointvec, }, - { } }; static __init int kernel_do_mounts_initrd_sysctls_init(void) From patchwork Thu Mar 28 15:57:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13608835 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 921E513248F; Thu, 28 Mar 2024 15:59:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711641546; cv=none; b=kKEekGJut45/DonDX5ikRZXT9zrs8+5ALRAhyqSxxUbFBl61cytJhx8TPbqvv/estgXvLeIv8+KYFbQrypkQ2yqciNDKi2LpMxn2zL6fuuhH2GFr0EdF/3WqS/0PDaA3Mzke9UVRVGAlsOnkZZ8G/6d6ziLpdbyUq71qwImj79c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711641546; c=relaxed/simple; bh=HnkZYSjKPCIyg8WyvmAEoZfloM2q2PjF9q/5pIFpJNI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Flu759/0QDyZYTPT+e/x2Ow7OzIu/GFi5xJt0yRhzz8JFIz0MeHbT18HRX9Nw8m6B4TS7u2CHu+SnSS/MfRvOmthSsElzA2WJLcJP6Qn0DKBhmkUfxc/Eba/MCwDjbqSUn/7w39+Yd/tqg9He3z+lapnfwDISqF+z3fgRcMKXv8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=A973XSxY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="A973XSxY" Received: by smtp.kernel.org (Postfix) with ESMTPS id 1804BC433B1; Thu, 28 Mar 2024 15:59:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711641546; bh=HnkZYSjKPCIyg8WyvmAEoZfloM2q2PjF9q/5pIFpJNI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=A973XSxYI/ju15z6W6S+Zrm/5kMUYhxyRNOSEa8BISg+xhHNJ21AhLrRci5V3ezt5 G4PNLZaWFIxsggTvEAUzr7l8LgXJZrWARcEwxW+RWbPlxy6NPkYhtZn5WzSQdYEd32 2k6vtXt0rxSgNCak/8O3BpjQjaz7zyokbzRdMdeby3m/iZtBDRnqpBVJAYnH0T2YEk S5drgQu716KnCTqX92wTBXKAmLVGguA1A3N3NDZVnH5MvpxA/aAyn9e/KWFEno6BbG 0QiuiOTFxrdrskTyW4XxYOTzWCFNfZLvIT7jtscR+Uq232aXtXJlEDxAwXPiJjqEVP uR+bpimr8TZog== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06266CD11DD; Thu, 28 Mar 2024 15:59:06 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 28 Mar 2024 16:57:52 +0100 Subject: [PATCH 5/7] ipc: Remove the now superfluous sentinel element from ctl_table array Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240328-jag-sysctl_remset_misc-v1-5-47c1463b3af2@samsung.com> References: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> In-Reply-To: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> To: Andrew Morton , Muchun Song , Miaohe Lin , Naoya Horiguchi , John Johansen , Paul Moore , James Morris , "Serge E. Hallyn" , David Howells , Jarkko Sakkinen , Kees Cook , Herbert Xu , "David S. Miller" , Jens Axboe , Pavel Begunkov , Atish Patra , Anup Patel , Will Deacon , Mark Rutland , Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: Luis Chamberlain , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, io-uring@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Joel Granados X-Mailer: b4 0.13-dev-2d940 X-Developer-Signature: v=1; a=openpgp-sha256; l=1263; i=j.granados@samsung.com; h=from:subject:message-id; bh=JOrcDebyPdeQyVF1o8hVyIGZcNOEUHOhqgwA2b/7KxA=; b=owJ4nAHtARL+kA0DAAoBupfNUreWQU8ByyZiAGYFk8WY7+nF4T/aynBPi+a0SWAqJw+C58bGs dIDFmbETTURK4kBswQAAQoAHRYhBK5HCVcl5jElzssnkLqXzVK3lkFPBQJmBZPFAAoJELqXzVK3 lkFPtKYMAIWyicivuHYgLcu7kcoKi4dh5VzhBVmU1d1+zzEnR2f4BqPMWMLwExZKwt0v0rPf/iU VZqwFLCJUE4M6vX+VueRURT03H99gHyLgGMHwe5rlh/JUKiqlLQVzwaWCGrg4BG8jkIQgCXfv84 gAArkvSzOc8a35wOKAMKVRINK7w4fuDO5JFG7WGw90+v5WSY50dXGOmigPWIbA7P+EsriFvVDlf N7UHpuSG0nytDxusQM71WHX2MxSQ+RTJgscogj75JzJehbmXTDZMtP/iGBTDfeaBRx0b7ETHJfh 0a0bG+JnXuG4kxqxIV9k8fY5uQ94V09mvexhYMDSoOwKKWEHkwf7t26SYW4VgFtIFSEUyemvxmZ tf3YlaL8wMsdBYj/4fwIlc1m9N3DOPv57ze5SEt8ileyVjKISuOlfRioVbFCF+fqVHKqi9zScRs kqPhFL/gsIIeNp2Qv4tfJFyeHcFT20yhcmYz5E1RFipwOOD9XwQG8aCNvTZOZ00zy2zfSAJ8yU5 s0= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: j.granados@samsung.com From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove the sentinels from ipc_sysctls and mq_sysctls Signed-off-by: Joel Granados --- ipc/ipc_sysctl.c | 1 - ipc/mq_sysctl.c | 1 - 2 files changed, 2 deletions(-) diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c index 45cb1dabce29..0867535af96f 100644 --- a/ipc/ipc_sysctl.c +++ b/ipc/ipc_sysctl.c @@ -178,7 +178,6 @@ static struct ctl_table ipc_sysctls[] = { .extra2 = SYSCTL_INT_MAX, }, #endif - {} }; static struct ctl_table_set *set_lookup(struct ctl_table_root *root) diff --git a/ipc/mq_sysctl.c b/ipc/mq_sysctl.c index 21fba3a6edaf..22ec532c7fa1 100644 --- a/ipc/mq_sysctl.c +++ b/ipc/mq_sysctl.c @@ -64,7 +64,6 @@ static struct ctl_table mq_sysctls[] = { .extra1 = &msg_maxsize_limit_min, .extra2 = &msg_maxsize_limit_max, }, - {} }; static struct ctl_table_set *set_lookup(struct ctl_table_root *root) From patchwork Thu Mar 28 15:57:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13608837 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9A5761327E6; Thu, 28 Mar 2024 15:59:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711641546; cv=none; b=do36iJrDsIsimtaqYC98ot3HFzfzv5p/knBn3YRzLLPW8hlEijTk1cjuQJjTzURqcFgM9Kg+EpMx/wKou+VYvz96wBIOeyb5qKFrjULzqS4UJm4WodxtUAE2PGuk7OFM9GKRnu4Z5tMdV43xw4b4a4D1Zbdv+c1v/uwefIFF5lE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; 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Thu, 28 Mar 2024 15:59:06 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 28 Mar 2024 16:57:53 +0100 Subject: [PATCH 6/7] io_uring: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240328-jag-sysctl_remset_misc-v1-6-47c1463b3af2@samsung.com> References: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> In-Reply-To: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> To: Andrew Morton , Muchun Song , Miaohe Lin , Naoya Horiguchi , John Johansen , Paul Moore , James Morris , "Serge E. Hallyn" , David Howells , Jarkko Sakkinen , Kees Cook , Herbert Xu , "David S. Miller" , Jens Axboe , Pavel Begunkov , Atish Patra , Anup Patel , Will Deacon , Mark Rutland , Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: Luis Chamberlain , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, io-uring@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Joel Granados X-Mailer: b4 0.13-dev-2d940 X-Developer-Signature: v=1; a=openpgp-sha256; l=866; i=j.granados@samsung.com; h=from:subject:message-id; bh=fE/NZmB4pRzGY5dsPYrxUBO9ZoOr+5OhzOId8tu7QTs=; b=owJ4nAHtARL+kA0DAAoBupfNUreWQU8ByyZiAGYFk8bmxZGot17fJWYqTrmMAyaWIBy9sBUWG aHGw/deIYoGrIkBswQAAQoAHRYhBK5HCVcl5jElzssnkLqXzVK3lkFPBQJmBZPGAAoJELqXzVK3 lkFPPqgL/j0Ld5LzYavMO9DP8fYz7mNmdGMwclTzF1+obs3fJGdIR8B/yld44GUGxZL131jYcMG rHpj3oVP4UfarmvGW9AI2OimEgbMMWPFc1ZmFkY/CrgzinI5TjytwY+i2r2AavTNWRMT7zcLAQf Vdq3FZfdbZ+JpLovP5iiwvyb2Cd96kkzD/e4Oa1nyGkxFYPOAxO80j4LDy7GfxL6+9UIIGGFZv4 DaZKSWK1X2UrZOmVK1qgRXej8kHjlVxhl53AUNyQ+rFa5VbLRO405J68WgjMP32GJMISyVW57h5 ocoprGgLHRyg4LpPfHIL4yohqv2RIyMpZPgpoTW5dpYZqFRcURac/bVmRZRQx5wpJjjEowDk45c H7nH57Hsk+EcGqekPtpXVg4vLZuvXOmv5CConYIlM2ttcTJItblMO8RCNiIqgE21QlZc99oAynV a/OGIOEYnrYir1BnHvhD/LINHxzOFzcChPE2iJr9kbQNFsz7wr+soDr8zShfiwcyJ1Ika8nd5s7 ik= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: j.granados@samsung.com From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel element from kernel_io_uring_disabled_table Signed-off-by: Joel Granados --- io_uring/io_uring.c | 1 - 1 file changed, 1 deletion(-) diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 5d4b448fdc50..fe3c93e21e2c 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -169,7 +169,6 @@ static struct ctl_table kernel_io_uring_disabled_table[] = { .mode = 0644, .proc_handler = proc_dointvec, }, - {}, }; 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Thu, 28 Mar 2024 15:59:06 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 28 Mar 2024 16:57:54 +0100 Subject: [PATCH 7/7] drivers: perf: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240328-jag-sysctl_remset_misc-v1-7-47c1463b3af2@samsung.com> References: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> In-Reply-To: <20240328-jag-sysctl_remset_misc-v1-0-47c1463b3af2@samsung.com> To: Andrew Morton , Muchun Song , Miaohe Lin , Naoya Horiguchi , John Johansen , Paul Moore , James Morris , "Serge E. Hallyn" , David Howells , Jarkko Sakkinen , Kees Cook , Herbert Xu , "David S. Miller" , Jens Axboe , Pavel Begunkov , Atish Patra , Anup Patel , Will Deacon , Mark Rutland , Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: Luis Chamberlain , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, apparmor@lists.ubuntu.com, linux-security-module@vger.kernel.org, keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, io-uring@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Joel Granados X-Mailer: b4 0.13-dev-2d940 X-Developer-Signature: v=1; a=openpgp-sha256; l=941; i=j.granados@samsung.com; h=from:subject:message-id; bh=x6LKxIed1g3mBTsVnM3LyyId0GhLgp5Sc+vsy/qx9t0=; b=owJ4nAHtARL+kA0DAAoBupfNUreWQU8ByyZiAGYFk8b3d2Da02YyON9nng/oh0az7TH1At0Oj Klqtpadz8QDfYkBswQAAQoAHRYhBK5HCVcl5jElzssnkLqXzVK3lkFPBQJmBZPGAAoJELqXzVK3 lkFPn8AL/RQuAkZvqODJOaCfSxnffeO8fIdKo3HY6jpLrbB1T2bwX+NMLubJdUp3yENm7YB8nRa WW22oyyDlvKBzvMdpZd+FKjXo7UBi7qchJGagofe3xiSIEGW50zF5NJDsM7ktMH5gzkhzIXDn2y zr/ABmufu4M7Zp2Wr9jVGv4y27IaAVDyFc4zrPnoSa0mN49bPR3NDQWuqqdYJEL6TmQnN2pKz1K wTPVnaqmhRdvr5Rjm7bltaHte6Bc8+h5J14i2UXK1jWSg1QYCATTJjpTGopxecIhWetPhrcfO1l 3sSGhEU/sq2scZklB97vertazO6s46/yNljcLygRX2jL+HciVVcAOzhjZZMUQWAqUDPhCH5PQyL oF5sSgTDRjbTSNQpMGp+Zz4Le+f0MYjgkudGjGozgrNAA/i//Ct6jR22lj9qFmZGqe9IxsUEDiI mlqlj7Zr6yMfYyLS/gGgRPGvV1D6kyV9cMFEdPnBexcqwE/4lVrh9+wu+JqVoOoY6+a/ZCRcCN7 k8= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: j.granados@samsung.com From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel from sbi_pmu_sysctl_table Signed-off-by: Joel Granados --- drivers/perf/riscv_pmu_sbi.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/perf/riscv_pmu_sbi.c b/drivers/perf/riscv_pmu_sbi.c index 8cbe6e5f9c39..5aef5a8737b2 100644 --- a/drivers/perf/riscv_pmu_sbi.c +++ b/drivers/perf/riscv_pmu_sbi.c @@ -1043,7 +1043,6 @@ static struct ctl_table sbi_pmu_sysctl_table[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_TWO, }, - { } }; static int pmu_sbi_device_probe(struct platform_device *pdev)