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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2008-12-23 19:37:01 +0900 |
|---|---|---|
| committer | Pekka Enberg <penberg@cs.helsinki.fi> | 2008-12-29 11:27:46 +0200 |
| commit | 773ff60e841461cb1f9374a713ffcda029b8c317 (patch) | |
| tree | c3691b5a82261a3d2c1861f2913774faac63fa96 /mm/slub.c | |
| parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) | |
| download | lwn-773ff60e841461cb1f9374a713ffcda029b8c317.tar.gz lwn-773ff60e841461cb1f9374a713ffcda029b8c317.zip | |
SLUB: failslab support
Currently fault-injection capability for SLAB allocator is only
available to SLAB. This patch makes it available to SLUB, too.
[penberg@cs.helsinki.fi: unify slab and slub implementations]
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/slub.c b/mm/slub.c index a2cd47d89e0a..640fde7e354c 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -24,6 +24,7 @@ #include <linux/kallsyms.h> #include <linux/memory.h> #include <linux/math64.h> +#include <linux/fault-inject.h> /* * Lock order: @@ -1591,6 +1592,9 @@ static __always_inline void *slab_alloc(struct kmem_cache *s, unsigned long flags; unsigned int objsize; + if (should_failslab(s->objsize, gfpflags)) + return NULL; + local_irq_save(flags); c = get_cpu_slab(s, smp_processor_id()); objsize = c->objsize; |