Commit 2b1a20c3 authored by Hui Su's avatar Hui Su Committed by Linus Torvalds
Browse files

mm/compaction: move compaction_suitable's comment to right place 

Since commit 837d026d ("mm/compaction: more trace to understand
when/why compaction start/finish"), the comment place is not suitable.

So move compaction_suitable's comment to right place.

Link: https://lkml.kernel.org/r/20201116144121.GA385717@rlk


Signed-off-by: default avatarHui Su <sh_def@163.com>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 19d3cf9d

mm/compaction.c

+7 −7
Original line number Diff line number Diff line
@@ -2070,13 +2070,6 @@ static enum compact_result compact_finished(struct compact_control *cc) 
	return ret;

}



/*

 * compaction_suitable: Is this suitable to run compaction on this zone now?

 * Returns

 *   COMPACT_SKIPPED  - If there are too few free pages for compaction

 *   COMPACT_SUCCESS  - If the allocation would succeed without compaction

 *   COMPACT_CONTINUE - If compaction should run now

 */

static enum compact_result __compaction_suitable(struct zone *zone, int order,

					unsigned int alloc_flags,

					int highest_zoneidx,
@@ -2120,6 +2113,13 @@ static enum compact_result __compaction_suitable(struct zone *zone, int order, 
	return COMPACT_CONTINUE;

}



/*

 * compaction_suitable: Is this suitable to run compaction on this zone now?

 * Returns

 *   COMPACT_SKIPPED  - If there are too few free pages for compaction

 *   COMPACT_SUCCESS  - If the allocation would succeed without compaction

 *   COMPACT_CONTINUE - If compaction should run now

 */

enum compact_result compaction_suitable(struct zone *zone, int order,

					unsigned int alloc_flags,

					int highest_zoneidx)