Messages in this thread Patch in this message | | | Subject | [PATCH] [1/1] slab: fix crash on __drain_alien_cahce() during CPU Hotplug | Date | Fri, 28 Apr 2006 10:54:37 -0500 | From | "shin, jacob" <> |
| |
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 <jacob.shin@amd.com>
--- 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; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |