From patchwork Thu Aug 3 21:23:51 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Tatashin X-Patchwork-Id: 9879887 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 94CEA6037D for ; Thu, 3 Aug 2017 21:43:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 90DAC2896E for ; Thu, 3 Aug 2017 21:43:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 81FB028979; Thu, 3 Aug 2017 21:43:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.4 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM,UNPARSEABLE_RELAY autolearn=no version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DFC482896D for ; Thu, 3 Aug 2017 21:43:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/5USnAT4i0JtzytULfjEVEOxQXNwjMuoI/IUvb0scgI=; b=d5T93FxrZukuuA bAv+TLOKYvAQdH4ZolZ0Onyv2NlVylhlLtvlAx73BFqKo3li2MH7JtFnRRSonR49c7GZc6AZLtIyl Vgzaln+hVjP6vrNHOn2z2UR1RCfM5wRBHPgmcYNTkPZs/1ej/UgPihV6ExIYF2HToK1eaVX5hl8e/ 4xpcdKgQFD3xQFck7dPkdIlrIABy8Qz5Y2/p5DCZFsWJQfNEXBM2+QDm58qaupK1OHvRO+RliuPWP z6/LRjVaZTabgVWv8aHNtxO30//zb5LkhbwchQbBGwbIujTV+axbIS0bvZ45WiXnPK2i9ah4B9O22 c9Q0UUp80PGWzR/HlTfQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1ddNtC-0000Sj-Jt; Thu, 03 Aug 2017 21:42:42 +0000 Received: from aserp1040.oracle.com ([141.146.126.69]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1ddNcQ-0003X2-9a for linux-arm-kernel@lists.infradead.org; Thu, 03 Aug 2017 21:25:26 +0000 Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v73LOFl9002516 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 3 Aug 2017 21:24:15 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.14.4/8.14.4) with ESMTP id v73LOEix012384 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 3 Aug 2017 21:24:15 GMT Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id v73LODUf010485; Thu, 3 Aug 2017 21:24:13 GMT Received: from ca-ldom-ol-build-1.us.oracle.com (/10.129.68.23) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 03 Aug 2017 14:24:13 -0700 From: Pavel Tatashin To: linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-arm-kernel@lists.infradead.org, x86@kernel.org, kasan-dev@googlegroups.com, borntraeger@de.ibm.com, heiko.carstens@de.ibm.com, davem@davemloft.net, willy@infradead.org, mhocko@kernel.org Subject: [v5 13/15] mm: stop zeroing memory during allocation in vmemmap Date: Thu, 3 Aug 2017 17:23:51 -0400 Message-Id: <1501795433-982645-14-git-send-email-pasha.tatashin@oracle.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1501795433-982645-1-git-send-email-pasha.tatashin@oracle.com> References: <1501795433-982645-1-git-send-email-pasha.tatashin@oracle.com> X-Source-IP: aserv0021.oracle.com [141.146.126.233] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170803_142522_541584_EEC09517 X-CRM114-Status: UNSURE ( 8.99 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Replace allocators in sprase-vmemmap to use the non-zeroing version. So, we will get the performance improvement by zeroing the memory in parallel when struct pages are zeroed. Signed-off-by: Pavel Tatashin Reviewed-by: Steven Sistare Reviewed-by: Daniel Jordan Reviewed-by: Bob Picco --- mm/sparse-vmemmap.c | 6 +++--- mm/sparse.c | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c index d40c721ab19f..3b646b5ce1b6 100644 --- a/mm/sparse-vmemmap.c +++ b/mm/sparse-vmemmap.c @@ -41,7 +41,7 @@ static void * __ref __earlyonly_bootmem_alloc(int node, unsigned long align, unsigned long goal) { - return memblock_virt_alloc_try_nid(size, align, goal, + return memblock_virt_alloc_try_nid_raw(size, align, goal, BOOTMEM_ALLOC_ACCESSIBLE, node); } @@ -56,11 +56,11 @@ void * __meminit vmemmap_alloc_block(unsigned long size, int node) if (node_state(node, N_HIGH_MEMORY)) page = alloc_pages_node( - node, GFP_KERNEL | __GFP_ZERO | __GFP_RETRY_MAYFAIL, + node, GFP_KERNEL | __GFP_RETRY_MAYFAIL, get_order(size)); else page = alloc_pages( - GFP_KERNEL | __GFP_ZERO | __GFP_RETRY_MAYFAIL, + GFP_KERNEL | __GFP_RETRY_MAYFAIL, get_order(size)); if (page) return page_address(page); diff --git a/mm/sparse.c b/mm/sparse.c index 7b4be3fd5cac..0e315766ad11 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -441,9 +441,9 @@ void __init sparse_mem_maps_populate_node(struct page **map_map, } size = PAGE_ALIGN(size); - map = memblock_virt_alloc_try_nid(size * map_count, - PAGE_SIZE, __pa(MAX_DMA_ADDRESS), - BOOTMEM_ALLOC_ACCESSIBLE, nodeid); + map = memblock_virt_alloc_try_nid_raw(size * map_count, + PAGE_SIZE, __pa(MAX_DMA_ADDRESS), + BOOTMEM_ALLOC_ACCESSIBLE, nodeid); if (map) { for (pnum = pnum_begin; pnum < pnum_end; pnum++) { if (!present_section_nr(pnum))