[GIT PULL] slab fixes for 3.2-rc4

[Pekka Enberg]

Hi Linus,

Here's few important fixes to SLUB issues introduced in the merge window.

The most important ones are from Christoph Lameter and Eric Dumazet that fix
stability issues on non-x86 architectures. The patches from Shaohua Li fix a
performance regression in SLUB that was also introduced in the merge window.

			Pekka

The following changes since commit 883381d9f1c5a6329bbb796e23ae52c939940310:

  Merge branch 'dev' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 (2011-11-29 08:59:12 -0800)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux.git slab/urgent

Christoph Lameter (1):
      slub: use irqsafe_cpu_cmpxchg for put_cpu_partial

Eric Dumazet (1):
      slub: avoid potential NULL dereference or corruption

Shaohua Li (2):
      slub: use correct parameter to add a page to partial list tail
      slub: move discard_slab out of node lock

 mm/slub.c |   42 ++++++++++++++++++++++++++----------------
 1 files changed, 26 insertions(+), 16 deletions(-)
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