fault injection: fix failslab with CONFIG_NUMA
Currently failslab injects failures into ____cache_alloc(). But with enabling CONFIG_NUMA it's not enough to let actual slab allocator functions (kmalloc, kmem_cache_alloc, ...) return NULL. This patch moves fault injection hook inside of __cache_alloc() and __cache_alloc_node(). These are lower call path than ____cache_alloc() and enable to inject faulures to slab allocators with CONFIG_NUMA. Acked-by: NPekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Cc: Christoph Lameter <clameter@sgi.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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