On Thu, 19 Jul 2007, Linus Torvalds wrote:
>
> Does something like this fix it?
>
> Christoph, please go over this and see if there are other cases like that.
Actually, here's a better version, I think.
Andi, does this patch fix your problem?
Linus
---
mm/slab.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/slab.c b/mm/slab.c
index 88bc633..c3feeaa 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3690,8 +3690,8 @@ static __always_inline void *__do_kmalloc(size_t size, gfp_t flags,
* functions.
*/
cachep = __find_general_cachep(size, flags);
- if (unlikely(cachep == NULL))
- return NULL;
+ if (unlikely(ZERO_OR_NULL_PTR(cachep)))
+ return cachep;
return __cache_alloc(cachep, flags, caller);
}
-
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