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slob: Fix early boot kernel crash 

Commit fd3142a59af2012a7c5dc72ec97a4935ff1c5fc6 broke
slob since a piece of a change for a later patch slipped into
it.

Fengguang Wu writes:

  The commit crashes the kernel w/o any dmesg output (the attached one is
  created by the script as a summary for that run). This is very
  reproducible in kvm for the attached config.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Christoph Lameter 2012-07-10 18:31:05 -05:00 committed by Pekka Enberg
parent 737b719ed6
commit 44a8bdea19
1 changed files with 1 additions and 1 deletions
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2
mm/slob.c
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@ -518,7 +518,7 @@ struct kmem_cache *__kmem_cache_create(const char *name, size_t size,
if (c) {
c->name = name;
c->size = c->object_size;
c->size = size;
if (flags & SLAB_DESTROY_BY_RCU) {
/* leave room for rcu footer at the end of object */
c->size += sizeof(struct slob_rcu);