The patch titled
mm-compaction-prevent-division-by-zero-during-user-requested-compaction-fix-fix
has been added to the -mm tree. Its filename is
mm-compaction-prevent-division-by-zero-during-user-requested-compaction-fix-fix.patch
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------------------------------------------------------
Subject: mm-compaction-prevent-division-by-zero-during-user-requested-compaction-fix-fix
From: Johannes Weiner <hannes@xxxxxxxxxxx>
There is also the one in compact_finished(), here is an update:
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/compaction.c | 4 ++++
1 file changed, 4 insertions(+)
diff -puN mm/compaction.c~mm-compaction-prevent-division-by-zero-during-user-requested-compaction-fix-fix mm/compaction.c
--- a/mm/compaction.c~mm-compaction-prevent-division-by-zero-during-user-requested-compaction-fix-fix
+++ a/mm/compaction.c
@@ -406,6 +406,10 @@ static int compact_finished(struct zone
if (!zone_watermark_ok(zone, cc->order, watermark, 0, 0))
return COMPACT_CONTINUE;
+ /*
+ * order == -1 is expected when compacting via
+ * /proc/sys/vm/compact_memory
+ */
if (cc->order == -1)
return COMPACT_CONTINUE;
_
Patches currently in -mm which might be from hannes@xxxxxxxxxxx are
mm-compaction-prevent-division-by-zero-during-user-requested-compaction.patch
mm-compaction-prevent-division-by-zero-during-user-requested-compaction-fix.patch
mm-compaction-prevent-division-by-zero-during-user-requested-compaction-fix-fix.patch
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