The patch titled
Subject: mm/mempolicy.c: fix wrong sp_node insertion
has been added to the -mm tree. Its filename is
mm-mempolicyc-fix-wrong-sp_node-insertion.patch
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------------------------------------------------------
From: Hillf Danton <dhillf@xxxxxxxxx>
Subject: mm/mempolicy.c: fix wrong sp_node insertion
n->end is accessed in sp_insert(). Thus it should be update
before calling sp_insert(). This mistake may make kernel panic.
Signed-off-by: Hillf Danton <dhillf@xxxxxxxxx>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Sasha Levin <sasha.levin@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Dave Jones <davej@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mempolicy.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/mempolicy.c~mm-mempolicyc-fix-wrong-sp_node-insertion mm/mempolicy.c
--- a/mm/mempolicy.c~mm-mempolicyc-fix-wrong-sp_node-insertion
+++ a/mm/mempolicy.c
@@ -2391,8 +2391,8 @@ restart:
*mpol_new = *n->policy;
atomic_set(&mpol_new->refcnt, 1);
sp_node_init(n_new, n->end, end, mpol_new);
- sp_insert(sp, n_new);
n->end = start;
+ sp_insert(sp, n_new);
n_new = NULL;
mpol_new = NULL;
break;
_
Patches currently in -mm which might be from dhillf@xxxxxxxxx are
origin.patch
mm-mempolicyc-fix-wrong-sp_node-insertion.patch
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