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mm/mempolicy.c: fix wrong sp_node insertion

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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 <[email protected]>
Signed-off-by: KOSAKI Motohiro <[email protected]>
Cc: Sasha Levin <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Dave Jones <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Hillf Danton 2013-03-08 12:43:28 -08:00 • committed by Linus Torvalds
commit 5ca3957510
1 changed files with 1 additions and 1 deletions
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mm/mempolicy.c
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@ -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;