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authorShaohua Li <shaohua.li@intel.com>2011-11-14 13:34:13 +0800
committerPekka Enberg <penberg@kernel.org>2011-11-15 20:41:00 +0200
commit9ada19342b2441f290f0043ed7c562682c8c4ede (patch)
tree702599b3b616d4bce7415012d8d4d18c7c43e5ec /init
parentf64ae042d94d376b54e7a343d93c48561e9d2e16 (diff)
slub: move discard_slab out of node lock
Lockdep reports there is potential deadlock for slub node list_lock. discard_slab() is called with the lock hold in unfreeze_partials(), which could trigger a slab allocation, which could hold the lock again. discard_slab() doesn't need hold the lock actually, if the slab is already removed from partial list. Acked-by: Christoph Lameter <cl@linux.com> Reported-and-tested-by: Yong Zhang <yong.zhang0@gmail.com> Reported-and-tested-by: Julie Sullivan <kernelmail.jms@gmail.com> Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'init')
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