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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4052C433EF for ; Wed, 3 Nov 2021 10:51:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8890A6103B for ; Wed, 3 Nov 2021 10:51:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231354AbhKCKyG (ORCPT ); Wed, 3 Nov 2021 06:54:06 -0400 Received: from out30-44.freemail.mail.aliyun.com ([115.124.30.44]:58353 "EHLO out30-44.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229506AbhKCKyF (ORCPT ); Wed, 3 Nov 2021 06:54:05 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R121e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04423;MF=baolin.wang@linux.alibaba.com;NM=1;PH=DS;RN=8;SR=0;TI=SMTPD_---0Uutr4md_1635936686; Received: from localhost(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0Uutr4md_1635936686) by smtp.aliyun-inc.com(127.0.0.1); Wed, 03 Nov 2021 18:51:27 +0800 From: Baolin Wang To: akpm@linux-foundation.org, rostedt@goodmis.org, mingo@redhat.com Cc: ziy@nvidia.com, shy828301@gmail.com, baolin.wang@linux.alibaba.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 0/3] Improve the migration stats Date: Wed, 3 Nov 2021 18:51:13 +0800 Message-Id: X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, According to talk with Zi Yan [1], this patch set changes the return value of migrate_pages() to avoid returning a number which is larger than the number of pages the users tried to migrate by move_pages() syscall. Also fix the hugetlb migration stats and migration stats in trace_mm_compaction_migratepages(). Please help to review. Thanks. [1] https://lore.kernel.org/linux-mm/7E44019D-2A5D-4BA7-B4D5-00D4712F1687@nvidia.com/ Baolin Wang (3): mm: migrate: Fix the return value of migrate_pages() mm: migrate: Correct the hugetlb migration stats mm: compaction: Fix the migration stats in trace_mm_compaction_migratepages() include/trace/events/compaction.h | 24 ++++-------------------- mm/compaction.c | 7 ++++--- mm/migrate.c | 25 ++++++++++++++----------- 3 files changed, 22 insertions(+), 34 deletions(-) -- 1.8.3.1