The patch titled
Subject: mm: compaction: drop the redundant page validation in update_pageblock_skip()
has been added to the -mm mm-unstable branch. Its filename is
mm-compaction-drop-the-redundant-page-validation-in-update_pageblock_skip.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-compaction-drop-the-redundant-page-validation-in-update_pageblock_skip.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Subject: mm: compaction: drop the redundant page validation in update_pageblock_skip()
Date: Thu, 25 May 2023 20:53:56 +0800
Patch series "Misc cleanups and improvements for compaction".
This series cantains some cleanups and improvements for compaction.
This patch (of 6):
The caller has validated the page before calling pdate_pageblock_skip(),
thus drop the redundant page validation in update_pageblock_skip().
Link: https://lkml.kernel.org/r/5142e15b9295fe8c447dbb39b7907a20177a1413.1685018752.git.baolin.wang@xxxxxxxxxxxxxxxxx
Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/compaction.c | 3 ---
1 file changed, 3 deletions(-)
--- a/mm/compaction.c~mm-compaction-drop-the-redundant-page-validation-in-update_pageblock_skip
+++ a/mm/compaction.c
@@ -436,9 +436,6 @@ static void update_pageblock_skip(struct
if (cc->no_set_skip_hint)
return;
- if (!page)
- return;
-
set_pageblock_skip(page);
/* Update where async and sync compaction should restart */
_
Patches currently in -mm which might be from baolin.wang@xxxxxxxxxxxxxxxxx are
mm-page_alloc-drop-the-unnecessary-pfn_valid-for-start-pfn.patch
mm-compaction-drop-the-redundant-page-validation-in-update_pageblock_skip.patch
mm-compaction-change-fast_isolate_freepages-to-void-type.patch
mm-compaction-skip-more-fully-scanned-pageblock.patch
mm-compaction-only-set-skip-flag-if-cc-no_set_skip_hint-is-false.patch
mm-compaction-add-trace-event-for-fast-freepages-isolation.patch
mm-compaction-skip-fast-freepages-isolation-if-enough-freepages-are-isolated.patch
