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authorAkinobu Mita <akinobu.mita@gmail.com>2008-12-23 19:37:01 +0900
committerPekka Enberg <penberg@cs.helsinki.fi>2008-12-29 11:27:46 +0200
commit773ff60e841461cb1f9374a713ffcda029b8c317 (patch)
treec3691b5a82261a3d2c1861f2913774faac63fa96 /mm/slub.c
parent3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff)
downloadop-kernel-dev-773ff60e841461cb1f9374a713ffcda029b8c317.zip
op-kernel-dev-773ff60e841461cb1f9374a713ffcda029b8c317.tar.gz
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.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/slub.c b/mm/slub.c
index a2cd47d..640fde7 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;
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