The patch titled
Subject: mm/balloon_compaction.c: enqueue zero page to balloon device
has been removed from the -mm tree. Its filename was
mm-balloon-enqueue-zero-page-to-balloon-device.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: "zhenwei.pi" <zhenwei.pi@xxxxxxxxxxxxxxx>
Subject: mm/balloon_compaction.c: enqueue zero page to balloon device
presently pages in the balloon device have random value, and these pages
will be scanned by ksmd on the host. They usually cannot be merged.
Enqueue zero pages will resolve this problem.
Link: http://lkml.kernel.org/r/1498698637-26389-1-git-send-email-zhenwei.pi@xxxxxxxxxxxxxxx
Signed-off-by: zhenwei.pi <zhenwei.pi@xxxxxxxxxxxxxxx>
Cc: Gioh Kim <gi-oh.kim@xxxxxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx>
Cc: Rafael Aquini <aquini@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/balloon_compaction.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/balloon_compaction.c~mm-balloon-enqueue-zero-page-to-balloon-device mm/balloon_compaction.c
--- a/mm/balloon_compaction.c~mm-balloon-enqueue-zero-page-to-balloon-device
+++ a/mm/balloon_compaction.c
@@ -24,7 +24,7 @@ struct page *balloon_page_enqueue(struct
{
unsigned long flags;
struct page *page = alloc_page(balloon_mapping_gfp_mask() |
- __GFP_NOMEMALLOC | __GFP_NORETRY);
+ __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_ZERO);
if (!page)
return NULL;
_
Patches currently in -mm which might be from zhenwei.pi@xxxxxxxxxxxxxxx are
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