Subject: + mm-compaction-respect-ignore_skip_hint-in-update_pageblock_skip.patch added to -mm tree
To: iamjoonsoo.kim@xxxxxxx,aquini@xxxxxxxxxx,cl@xxxxxxxxx,liwanp@xxxxxxxxxxxxxxxxxx,mgorman@xxxxxxx,n-horiguchi@xxxxxxxxxxxxx,riel@xxxxxxxxxx,stable@xxxxxxxxxxxxxxx,vbabka@xxxxxxx,zhangyanfei@xxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 16 Dec 2013 11:55:51 -0800
The patch titled
Subject: mm/compaction: respect ignore_skip_hint in update_pageblock_skip
has been added to the -mm tree. Its filename is
mm-compaction-respect-ignore_skip_hint-in-update_pageblock_skip.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-compaction-respect-ignore_skip_hint-in-update_pageblock_skip.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-compaction-respect-ignore_skip_hint-in-update_pageblock_skip.patch
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------------------------------------------------------
From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Subject: mm/compaction: respect ignore_skip_hint in update_pageblock_skip
update_pageblock_skip() only fits to compaction which tries to isolate by
pageblock unit. If isolate_migratepages_range() is called by CMA, it try
to isolate regardless of pageblock unit and it don't reference
get_pageblock_skip() by ignore_skip_hint. We should also respect it on
update_pageblock_skip() to prevent from setting the wrong information.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Reviewed-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: Rafael Aquini <aquini@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> [3.7+]
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/compaction.c | 4 ++++
1 file changed, 4 insertions(+)
diff -puN mm/compaction.c~mm-compaction-respect-ignore_skip_hint-in-update_pageblock_skip mm/compaction.c
--- a/mm/compaction.c~mm-compaction-respect-ignore_skip_hint-in-update_pageblock_skip
+++ a/mm/compaction.c
@@ -134,6 +134,10 @@ static void update_pageblock_skip(struct
bool migrate_scanner)
{
struct zone *zone = cc->zone;
+
+ if (cc->ignore_skip_hint)
+ return;
+
if (!page)
return;
_
Patches currently in -mm which might be from iamjoonsoo.kim@xxxxxxx are
mm-mempolicy-correct-putback-method-for-isolate-pages-if-failed.patch
mm-compaction-respect-ignore_skip_hint-in-update_pageblock_skip.patch
mm-rmap-recompute-pgoff-for-huge-page.patch
mm-rmap-factor-nonlinear-handling-out-of-try_to_unmap_file.patch
mm-rmap-factor-lock-function-out-of-rmap_walk_anon.patch
mm-rmap-make-rmap_walk-to-get-the-rmap_walk_control-argument.patch
mm-rmap-extend-rmap_walk_xxx-to-cope-with-different-cases.patch
mm-rmap-use-rmap_walk-in-try_to_unmap.patch
mm-rmap-use-rmap_walk-in-try_to_munlock.patch
mm-rmap-use-rmap_walk-in-page_referenced.patch
mm-rmap-use-rmap_walk-in-page_mkclean.patch
mm-compaction-trace-compaction-begin-and-end.patch
mm-compaction-encapsulate-defer-reset-logic.patch
mm-compaction-reset-cached-scanner-pfns-before-reading-them.patch
mm-compaction-detect-when-scanners-meet-in-isolate_freepages.patch
mm-compaction-do-not-mark-unmovable-pageblocks-as-skipped-in-async-compaction.patch
mm-compaction-reset-scanner-positions-immediately-when-they-meet.patch
mm-migrate-add-comment-about-permanent-failure-path.patch
mm-migrate-correct-failure-handling-if-hugepage_migration_support.patch
mm-migrate-remove-putback_lru_pages-fix-comment-on-putback_movable_pages.patch
mm-migrate-remove-unused-function-fail_migrate_page.patch
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