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From: Baolin Wang <baolin.wang@linux.alibaba.com>
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: <cover.1635936218.git.baolin.wang@linux.alibaba.com>
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| Series | Improve the migration stats | expand |
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(-)