From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 60E7CC433ED for ; Mon, 19 Apr 2021 14:15:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 45AA3611CE for ; Mon, 19 Apr 2021 14:15:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241184AbhDSOP4 (ORCPT ); Mon, 19 Apr 2021 10:15:56 -0400 Received: from outbound-smtp63.blacknight.com ([46.22.136.252]:47753 "EHLO outbound-smtp63.blacknight.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238920AbhDSOPz (ORCPT ); Mon, 19 Apr 2021 10:15:55 -0400 Received: from mail.blacknight.com (pemlinmail03.blacknight.ie [81.17.254.16]) by outbound-smtp63.blacknight.com (Postfix) with ESMTPS id 3101FFAE2B for ; Mon, 19 Apr 2021 15:15:24 +0100 (IST) Received: (qmail 16014 invoked from network); 19 Apr 2021 14:15:24 -0000 Received: from unknown (HELO stampy.112glenside.lan) (mgorman@techsingularity.net@[84.203.22.4]) by 81.17.254.9 with ESMTPA; 19 Apr 2021 14:15:23 -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 09/10] mm/page_alloc: Update PGFREE outside the zone lock in __free_pages_ok Date: Mon, 19 Apr 2021 15:13:40 +0100 Message-Id: <20210419141341.26047-10-mgorman@techsingularity.net> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210419141341.26047-1-mgorman@techsingularity.net> References: <20210419141341.26047-1-mgorman@techsingularity.net> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org 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 a9c1282d9c7b..44a5eb067b38 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1557,13 +1557,14 @@ 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); if (unlikely(has_isolate_pageblock(zone) || is_migrate_isolate(migratetype))) { migratetype = get_pfnblock_migratetype(page, pfn); } __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) -- 2.26.2