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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-17 16:00:19 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-17 16:00:19 -0800
commitdcc7cd011220d7425a265c9bbf04c5731dacec1b (patch)
tree4c2244f6e6ce94e2698572e9d2df3baea8449c2a /mm/slab.c
parentbf931a01a2c024a54204b4b02276af6e8d99a2c0 (diff)
parentb60e26a2f03d963f8c79ad7920d64abc4d38ecbc (diff)
Merge branch 'kmemleak' of git://linux-arm.org/linux-2.6
* 'kmemleak' of git://linux-arm.org/linux-2.6: kmemleak: fix kconfig for crc32 build error kmemleak: Reduce the false positives by checking for modified objects kmemleak: Show the age of an unreferenced object kmemleak: Release the object lock before calling put_object() kmemleak: Scan the _ftrace_events section in modules kmemleak: Simplify the kmemleak_scan_area() function prototype kmemleak: Do not use off-slab management with SLAB_NOLEAKTRACE
Diffstat (limited to 'mm/slab.c')
-rw-r--r--mm/slab.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 3f4822938f4..e17cc2c337b 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2275,9 +2275,11 @@ kmem_cache_create (const char *name, size_t size, size_t align,
/*
* Determine if the slab management is 'on' or 'off' slab.
* (bootstrapping cannot cope with offslab caches so don't do
- * it too early on.)
+ * it too early on. Always use on-slab management when
+ * SLAB_NOLEAKTRACE to avoid recursive calls into kmemleak)
*/
- if ((size >= (PAGE_SIZE >> 3)) && !slab_early_init)
+ if ((size >= (PAGE_SIZE >> 3)) && !slab_early_init &&
+ !(flags & SLAB_NOLEAKTRACE))
/*
* Size is large, assume best to place the slab management obj
* off-slab (should allow better packing of objs).
@@ -2596,8 +2598,8 @@ static struct slab *alloc_slabmgmt(struct kmem_cache *cachep, void *objp,
* kmemleak does not treat the ->s_mem pointer as a reference
* to the object. Otherwise we will not report the leak.
*/
- kmemleak_scan_area(slabp, offsetof(struct slab, list),
- sizeof(struct list_head), local_flags);
+ kmemleak_scan_area(&slabp->list, sizeof(struct list_head),
+ local_flags);
if (!slabp)
return NULL;
} else {