transfer_objects should only be called when all of the cpus in the
node are online. CPU_DEAD notifier callback marks l3->shared to NULL.
Signed-off-by: Jacob Shin <[email protected]>
---
mm/slab.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- linux.orig/mm/slab.c 2006-04-26 21:19:25.000000000 -0500
+++ linux/mm/slab.c 2006-04-28 09:45:53.000000000 -0500
@@ -979,7 +979,8 @@ static void __drain_alien_cache(struct k
* That way we could avoid the overhead of putting the objects
* into the free lists and getting them back later.
*/
- transfer_objects(rl3->shared, ac, ac->limit);
+ if (rl3->shared)
+ transfer_objects(rl3->shared, ac, ac->limit);
free_block(cachep, ac->entry, ac->avail, node);
ac->avail = 0;
-
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