The patch titled
Subject: mm-compaction-clear-total_migratefree_scanned-before-scanning-a-new-zone-fix-2
has been added to the -mm tree. Its filename is
mm-compaction-clear-total_migratefree_scanned-before-scanning-a-new-zone-fix-2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-compaction-clear-total_migratefree_scanned-before-scanning-a-new-zone-fix-2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-compaction-clear-total_migratefree_scanned-before-scanning-a-new-zone-fix-2.patch
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------------------------------------------------------
From: Vlastimil Babka <vbabka@xxxxxxx>
Subject: mm-compaction-clear-total_migratefree_scanned-before-scanning-a-new-zone-fix-2
squash compact_zone() list_head init as well
Link: http://lkml.kernel.org/r/1fb6f7da-f776-9e42-22f8-bbb79b030b98@xxxxxxx
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Yafang Shao <shaoyafang@xxxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/compaction.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
--- a/mm/compaction.c~mm-compaction-clear-total_migratefree_scanned-before-scanning-a-new-zone-fix-2
+++ a/mm/compaction.c
@@ -2086,6 +2086,8 @@ compact_zone(struct compact_control *cc,
cc->total_free_scanned = 0;
cc->nr_migratepages = 0;
cc->nr_freepages = 0;
+ INIT_LIST_HEAD(&cc->freepages);
+ INIT_LIST_HEAD(&cc->migratepages);
cc->migratetype = gfpflags_to_migratetype(cc->gfp_mask);
ret = compaction_suitable(cc->zone, cc->order, cc->alloc_flags,
@@ -2310,8 +2312,6 @@ static enum compact_result compact_zone_
if (capture)
current->capture_control = &capc;
- INIT_LIST_HEAD(&cc.freepages);
- INIT_LIST_HEAD(&cc.migratepages);
ret = compact_zone(&cc, &capc);
@@ -2427,8 +2427,6 @@ static void compact_node(int nid)
continue;
cc.zone = zone;
- INIT_LIST_HEAD(&cc.freepages);
- INIT_LIST_HEAD(&cc.migratepages);
compact_zone(&cc, NULL);
@@ -2554,8 +2552,6 @@ static void kcompactd_do_work(pg_data_t
continue;
cc.zone = zone;
- INIT_LIST_HEAD(&cc.freepages);
- INIT_LIST_HEAD(&cc.migratepages);
if (kthread_should_stop())
return;
_
Patches currently in -mm which might be from vbabka@xxxxxxx are
mm-compaction-clear-total_migratefree_scanned-before-scanning-a-new-zone-fix-2.patch
