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authorDavid Rientjes <rientjes@google.com>2009-01-27 18:59:46 -0800
committerPekka Enberg <penberg@cs.helsinki.fi>2009-01-28 10:43:42 +0200
commit3718909448116bf4411445468c58acc946379f92 (patch)
tree77d34de16274c12fb2bdcc946379a1c667f5671c /arch/blackfin
parenta6525042bfdfcab128bd91fad264de10fd24a55e (diff)
slub: fix per cpu kmem_cache_cpu array memory leak
The per cpu array of kmem_cache_cpu structures accomodates NR_KMEM_CACHE_CPU such structs. When this array overflows and a struct is allocated by kmalloc(), it may have an address at the upper bound of this array. If this happens, it does not get freed and the per cpu kmem_cache_cpu_free pointer will be out of bounds after kmem_cache_destroy() or cpu offlining. Cc: Christoph Lameter <cl@linux-foundation.org> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'arch/blackfin')
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