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| author |   Alex Shi <alex.shi@linux.alibaba.com> | 2020-08-11 18:31:10 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-12 10:57:56 -0700 |
| commit | 860b32729a21e0565585a9e2ecea2e5244d65acd (patch) | |
| tree | f22be7fd44311b251db328bb682d7733f7c3dcbf /mm/compaction.c | |
| parent | mm: use unsigned types for fragmentation score (diff) | |
| download | linux-dev-860b32729a21e0565585a9e2ecea2e5244d65acd.tar.xz linux-dev-860b32729a21e0565585a9e2ecea2e5244d65acd.zip | |
mm/compaction: correct the comments of compact_defer_shift
There is no compact_defer_limit. It should be compact_defer_shift in
use. and add compact_order_failed explanation.
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Link: http://lkml.kernel.org/r/3bd60e1b-a74e-050d-ade4-6e8f54e00b92@linux.alibaba.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/compaction.c')
| -rw-r--r-- | mm/compaction.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index b7d433f1706a..5e8f2e22b73e 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -154,7 +154,7 @@ EXPORT_SYMBOL(__ClearPageMovable); /* * Compaction is deferred when compaction fails to result in a page - * allocation success. 1 << compact_defer_limit compactions are skipped up + * allocation success. 1 << compact_defer_shift, compactions are skipped up * to a limit of 1 << COMPACT_MAX_DEFER_SHIFT */ void defer_compaction(struct zone *zone, int order) |