From patchwork Wed Apr 14 13:39:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mel Gorman X-Patchwork-Id: 12202839 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E9C63C43461 for ; Wed, 14 Apr 2021 13:41:26 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9721B611AD for ; Wed, 14 Apr 2021 13:41:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9721B611AD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=techsingularity.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 3205C6B0075; Wed, 14 Apr 2021 09:41:26 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2D09A6B0085; Wed, 14 Apr 2021 09:41:26 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1C48C6B0088; Wed, 14 Apr 2021 09:41:26 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0052.hostedemail.com [216.40.44.52]) by kanga.kvack.org (Postfix) with ESMTP id 005556B0075 for ; Wed, 14 Apr 2021 09:41:25 -0400 (EDT) Received: from smtpin34.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id B46023629 for ; Wed, 14 Apr 2021 13:41:25 +0000 (UTC) X-FDA: 78031084530.34.E747845 Received: from outbound-smtp34.blacknight.com (outbound-smtp34.blacknight.com [46.22.139.253]) by imf05.hostedemail.com (Postfix) with ESMTP id AFF3BE000122 for ; Wed, 14 Apr 2021 13:41:24 +0000 (UTC) Received: from mail.blacknight.com (pemlinmail01.blacknight.ie [81.17.254.10]) by outbound-smtp34.blacknight.com (Postfix) with ESMTPS id DD8142940 for ; Wed, 14 Apr 2021 14:41:23 +0100 (IST) Received: (qmail 300 invoked from network); 14 Apr 2021 13:41:23 -0000 Received: from unknown (HELO stampy.112glenside.lan) (mgorman@techsingularity.net@[84.203.22.4]) by 81.17.254.9 with ESMTPA; 14 Apr 2021 13:41:23 -0000 From: Mel Gorman To: Linux-MM , Linux-RT-Users Cc: LKML , Chuck Lever , Jesper Dangaard Brouer , Thomas Gleixner , Peter Zijlstra , Ingo Molnar , Michal Hocko , Vlastimil Babka , Mel Gorman Subject: [PATCH 10/11] mm/page_alloc: Update PGFREE outside the zone lock in __free_pages_ok Date: Wed, 14 Apr 2021 14:39:30 +0100 Message-Id: <20210414133931.4555-11-mgorman@techsingularity.net> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210414133931.4555-1-mgorman@techsingularity.net> References: <20210414133931.4555-1-mgorman@techsingularity.net> MIME-Version: 1.0 X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: AFF3BE000122 X-Stat-Signature: gqdm9mgbyrk7c6u918bbss1tifxx6iz9 Received-SPF: none (techsingularity.net>: No applicable sender policy available) receiver=imf05; identity=mailfrom; envelope-from=""; helo=outbound-smtp34.blacknight.com; client-ip=46.22.139.253 X-HE-DKIM-Result: none/none X-HE-Tag: 1618407684-24595 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: VM events do not need explicit protection by disabling IRQs so update the counter with IRQs enabled in __free_pages_ok. Signed-off-by: Mel Gorman Acked-by: Vlastimil Babka --- mm/page_alloc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a0b210077178..8a94fe77bef7 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1569,10 +1569,11 @@ static void __free_pages_ok(struct page *page, unsigned int order, migratetype = get_pfnblock_migratetype(page, pfn); spin_lock_irqsave(&zone->lock, flags); - __count_vm_events(PGFREE, 1 << order); migratetype = check_migratetype_isolated(zone, page, pfn, migratetype); __free_one_page(page, pfn, zone, order, migratetype, fpi_flags); spin_unlock_irqrestore(&zone->lock, flags); + + __count_vm_events(PGFREE, 1 << order); } void __free_pages_core(struct page *page, unsigned int order)