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authorAlex Shi <alex.shi@linux.alibaba.com>2020-08-11 18:31:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-12 10:57:56 -0700
commit860b32729a21e0565585a9e2ecea2e5244d65acd (patch)
treef22be7fd44311b251db328bb682d7733f7c3dcbf /include/linux/mmzone.h
parentd34c0a7599ea8c301bc471dfa1eb2bf2db6752d1 (diff)
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 'include/linux/mmzone.h')
-rw-r--r--include/linux/mmzone.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index efbd95dd3bbf..8379432f4f2f 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -536,6 +536,7 @@ struct zone {
* On compaction failure, 1<<compact_defer_shift compactions
* are skipped before trying again. The number attempted since
* last failure is tracked with compact_considered.
+ * compact_order_failed is the minimum compaction failed order.
*/
unsigned int compact_considered;
unsigned int compact_defer_shift;