linux-kernel - [PATCH] mm/compaction: move compaction

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Date:   Mon, 16 Nov 2020 22:41:21 +0800
From:   Hui Su <sh_def@....com>
To:     akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Cc:     sh_def@....com
Subject: [PATCH] mm/compaction: move compaction_suitable's comment to right
 place

Since commit 837d026d560c ("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.

Signed-off-by: Hui Su <sh_def@....com>
---
 mm/compaction.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index 13cb7a961b31..8bfd6e089511 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -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)
-- 
2.29.0