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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 646DEC4332F for ; Fri, 18 Nov 2022 10:17:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240943AbiKRKRd (ORCPT ); Fri, 18 Nov 2022 05:17:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230523AbiKRKR2 (ORCPT ); Fri, 18 Nov 2022 05:17:28 -0500 Received: from outbound-smtp22.blacknight.com (outbound-smtp22.blacknight.com [81.17.249.190]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9332311174 for ; Fri, 18 Nov 2022 02:17:26 -0800 (PST) Received: from mail.blacknight.com (pemlinmail03.blacknight.ie [81.17.254.16]) by outbound-smtp22.blacknight.com (Postfix) with ESMTPS id DC64CBAADC for ; Fri, 18 Nov 2022 10:17:24 +0000 (GMT) Received: (qmail 3079 invoked from network); 18 Nov 2022 10:17:24 -0000 Received: from unknown (HELO morpheus.112glenside.lan) (mgorman@techsingularity.net@[84.203.198.246]) by 81.17.254.9 with ESMTPA; 18 Nov 2022 10:17:24 -0000 From: Mel Gorman To: Andrew Morton Cc: Hugh Dickins , Yu Zhao , Vlastimil Babka , Marcelo Tosatti , Michal Hocko , Marek Szyprowski , LKML , Linux-MM , Mel Gorman Subject: [PATCH v3 0/2] Leave IRQs enabled for per-cpu page allocations Date: Fri, 18 Nov 2022 10:17:12 +0000 Message-Id: <20221118101714.19590-1-mgorman@techsingularity.net> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Changelog since V2 o Fix list corruption issue (hughd) o Tighen up locking protocol (hughd) o Micro-optimisations (hughd) Changelog since V1 o Use trylock in free_unref_page_list due to IO completion from softirq context (yuzhao) This was a standalone patch but now split in two. The main changes since v2 are fixing the issues exposed by Hugh's shmfs stress test. Patch 1 is a long-standing issue that is technically a bug but happened to work because of how it was used. Patch 2 leaves IRQs enabled for most PCP allocations with more details in the changelog itself. -- 2.35.3