The patch titled
Subject: ksm: clean up page_trans_compound_anon_split()
has been added to the -mm tree. Its filename is
ksm-clean-up-page_trans_compound_anon_split.patch
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------------------------------------------------------
From: Bob Liu <lliubbo@xxxxxxxxx>
Subject: ksm: clean up page_trans_compound_anon_split()
Signed-off-by: Bob Liu <lliubbo@xxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Hiroyuki Kamezawa <kamezawa.hiroyuki@xxxxxxxxx>
Cc: Minchan Kim <minchan.kim@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/ksm.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff -puN mm/ksm.c~ksm-clean-up-page_trans_compound_anon_split mm/ksm.c
--- a/mm/ksm.c~ksm-clean-up-page_trans_compound_anon_split
+++ a/mm/ksm.c
@@ -817,7 +817,7 @@ out:
static int page_trans_compound_anon_split(struct page *page)
{
- int ret = 0;
+ int ret = 1;
struct page *transhuge_head = page_trans_compound_anon(page);
if (transhuge_head) {
/* Get the reference on the head to split it. */
@@ -828,16 +828,8 @@ static int page_trans_compound_anon_spli
*/
if (PageAnon(transhuge_head))
ret = split_huge_page(transhuge_head);
- else
- /*
- * Retry later if split_huge_page run
- * from under us.
- */
- ret = 1;
put_page(transhuge_head);
- } else
- /* Retry later if split_huge_page run from under us. */
- ret = 1;
+ }
}
return ret;
}
_
Subject: Subject: ksm: clean up page_trans_compound_anon_split()
Patches currently in -mm which might be from lliubbo@xxxxxxxxx are
linux-next.patch
ksm-clean-up-page_trans_compound_anon_split.patch
ksm-cleanup-introduce-ksm_check_mm.patch
ksm-cleanup-introduce-ksm_check_mm-fix.patch
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