From patchwork Mon Dec 4 18:48:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Roesch X-Patchwork-Id: 13478939 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 469A2C10DC3 for ; Mon, 4 Dec 2023 18:48:36 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C90BF6B00ED; Mon, 4 Dec 2023 13:48:34 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C3A0C6B00EE; Mon, 4 Dec 2023 13:48:34 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B023A6B0100; Mon, 4 Dec 2023 13:48:34 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 92AF96B00ED for ; Mon, 4 Dec 2023 13:48:34 -0500 (EST) Received: from smtpin27.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 60D2812013E for ; Mon, 4 Dec 2023 18:48:34 +0000 (UTC) X-FDA: 81530021748.27.76D62D3 Received: from 66-220-144-179.mail-mxout.facebook.com (66-220-144-179.mail-mxout.facebook.com [66.220.144.179]) by imf18.hostedemail.com (Postfix) with ESMTP id C0E261C001C for ; Mon, 4 Dec 2023 18:48:32 +0000 (UTC) Authentication-Results: imf18.hostedemail.com; dkim=none; dmarc=none; spf=neutral (imf18.hostedemail.com: 66.220.144.179 is neither permitted nor denied by domain of shr@devkernel.io) smtp.mailfrom=shr@devkernel.io ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1701715712; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UTjrGbU4I/RqcrucjyV8XvLhSKkL76lxJ1wr3bvi3b4=; b=7xC1huPaJL5pWaswRpx04qzGeHrwgpAeefUUZVrN7GJAieGt9dUlLuLq07aMRD9m0hjVlG 3z1kOduUPpfVpItEY5y8d0+nDapz/RoUI821roLfiH0JrQfJgFNk92ClowmGyGTksOxQhH g7O3XEKUGYc6MyxxdC2rXFK674CRml4= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=none; dmarc=none; spf=neutral (imf18.hostedemail.com: 66.220.144.179 is neither permitted nor denied by domain of shr@devkernel.io) smtp.mailfrom=shr@devkernel.io ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1701715712; a=rsa-sha256; cv=none; b=JPGaFTD2uzdTK7jNUg3XVECgMGSBqbxFnNqEGIh8WL+tbGPK8IJlpn4SPFjcN31Q5SUh57 drC8ROkujzsmasBidZtsmP+LO7rlIvFU5UgwqdxiVy0Xr04F8Xy2HajtwmZfW7h6YHX3kb q/9nwSP++zQmyg3EN/xrFH3StjjofCo= Received: by devbig1114.prn1.facebook.com (Postfix, from userid 425415) id 148D1105A5B35; Mon, 4 Dec 2023 10:48:20 -0800 (PST) From: Stefan Roesch To: kernel-team@fb.com Cc: shr@devkernel.io, david@redhat.com, oliver.sang@intel.com, linux-mm@kvack.org, ltp@lists.linux.it, pvorel@suse.cz, liwang@redhat.com Subject: [PATCH v3 1/2] mem: disable KSM smart scan for ksm tests Date: Mon, 4 Dec 2023 10:48:16 -0800 Message-Id: <20231204184817.3570465-2-shr@devkernel.io> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20231204184817.3570465-1-shr@devkernel.io> References: <20231204184817.3570465-1-shr@devkernel.io> MIME-Version: 1.0 X-Rspam-User: X-Stat-Signature: q9q47sf5a4ngguxsjdqsoya4wayf7hcg X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: C0E261C001C X-HE-Tag: 1701715712-887412 X-HE-Meta: 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 JpeZKcui Wv0ItnrMIPFoCw4p5iy11Ru0RKa5y9a2UfdcB8Is1cE8M/kWLUlHth5h/0Xis1jtNHsGKSEo5Xkd4F5BvXwvjGTuM+DwVEF/ThKUZ X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: This disables the "smart scan" KSM feature to make sure that the volatile count remains at 0. Signed-off-by: Stefan Roesch Reviewed-by: Petr Vorel Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-lkp/202311161132.13d8ce5a-oliver.sang@intel.com --- testcases/kernel/mem/ksm/ksm01.c | 2 ++ testcases/kernel/mem/ksm/ksm02.c | 2 ++ testcases/kernel/mem/ksm/ksm03.c | 2 ++ testcases/kernel/mem/ksm/ksm04.c | 2 ++ testcases/kernel/mem/ksm/ksm05.c | 2 ++ testcases/kernel/mem/ksm/ksm06.c | 2 ++ 6 files changed, 12 insertions(+) diff --git a/testcases/kernel/mem/ksm/ksm01.c b/testcases/kernel/mem/ksm/ksm01.c index bcd095865..e2d3d9e00 100644 --- a/testcases/kernel/mem/ksm/ksm01.c +++ b/testcases/kernel/mem/ksm/ksm01.c @@ -86,6 +86,8 @@ static struct tst_test test = { TST_SR_SKIP_MISSING | TST_SR_TCONF_RO}, {"/sys/kernel/mm/ksm/merge_across_nodes", "1", TST_SR_SKIP_MISSING | TST_SR_TCONF_RO}, + {"/sys/kernel/mm/ksm/smart_scan", "0", + TST_SR_SKIP_MISSING | TST_SR_TBROK_RO}, {} }, .needs_kconfigs = (const char *const[]){ diff --git a/testcases/kernel/mem/ksm/ksm02.c b/testcases/kernel/mem/ksm/ksm02.c index bce639dce..3707de95d 100644 --- a/testcases/kernel/mem/ksm/ksm02.c +++ b/testcases/kernel/mem/ksm/ksm02.c @@ -107,6 +107,8 @@ static struct tst_test test = { TST_SR_SKIP_MISSING | TST_SR_TCONF_RO}, {"/sys/kernel/mm/ksm/merge_across_nodes", "1", TST_SR_SKIP_MISSING | TST_SR_TCONF_RO}, + {"/sys/kernel/mm/ksm/smart_scan", "0", + TST_SR_SKIP_MISSING | TST_SR_TBROK_RO}, {} }, .needs_kconfigs = (const char *const[]){ diff --git a/testcases/kernel/mem/ksm/ksm03.c b/testcases/kernel/mem/ksm/ksm03.c index 4a733269f..cff74700d 100644 --- a/testcases/kernel/mem/ksm/ksm03.c +++ b/testcases/kernel/mem/ksm/ksm03.c @@ -89,6 +89,8 @@ static struct tst_test test = { TST_SR_SKIP_MISSING | TST_SR_TCONF_RO}, {"/sys/kernel/mm/ksm/merge_across_nodes", "1", TST_SR_SKIP_MISSING | TST_SR_TCONF_RO}, + {"/sys/kernel/mm/ksm/smart_scan", "0", + TST_SR_SKIP_MISSING | TST_SR_TBROK_RO}, {} }, .needs_kconfigs = (const char *const[]){ diff --git a/testcases/kernel/mem/ksm/ksm04.c b/testcases/kernel/mem/ksm/ksm04.c index 4f1f2f721..9935e32d7 100644 --- a/testcases/kernel/mem/ksm/ksm04.c +++ b/testcases/kernel/mem/ksm/ksm04.c @@ -109,6 +109,8 @@ static struct tst_test test = { TST_SR_SKIP_MISSING | TST_SR_TCONF_RO}, {"/sys/kernel/mm/ksm/merge_across_nodes", "1", TST_SR_SKIP_MISSING | TST_SR_TCONF_RO}, + {"/sys/kernel/mm/ksm/smart_scan", "0", + TST_SR_SKIP_MISSING | TST_SR_TBROK_RO}, {} }, .needs_kconfigs = (const char *const[]){ diff --git a/testcases/kernel/mem/ksm/ksm05.c b/testcases/kernel/mem/ksm/ksm05.c index 1f58c8325..61e740843 100644 --- a/testcases/kernel/mem/ksm/ksm05.c +++ b/testcases/kernel/mem/ksm/ksm05.c @@ -89,6 +89,8 @@ static struct tst_test test = { .test_all = test_ksm, .save_restore = (const struct tst_path_val[]) { {"/sys/kernel/mm/ksm/run", "1", TST_SR_TBROK}, + {"/sys/kernel/mm/ksm/smart_scan", "0", + TST_SR_SKIP_MISSING | TST_SR_TBROK_RO}, {} }, .needs_kconfigs = (const char *const[]){ diff --git a/testcases/kernel/mem/ksm/ksm06.c b/testcases/kernel/mem/ksm/ksm06.c index 0b159e5c7..80fdf1e47 100644 --- a/testcases/kernel/mem/ksm/ksm06.c +++ b/testcases/kernel/mem/ksm/ksm06.c @@ -142,6 +142,8 @@ static struct tst_test test = { {"/sys/kernel/mm/ksm/run", NULL, TST_SR_TBROK}, {"/sys/kernel/mm/ksm/sleep_millisecs", NULL, TST_SR_TBROK}, {"/sys/kernel/mm/ksm/merge_across_nodes", NULL, TST_SR_TCONF}, + {"/sys/kernel/mm/ksm/smart_scan", "0", + TST_SR_SKIP_MISSING | TST_SR_TBROK_RO}, {} }, .needs_kconfigs = (const char *const[]){