[PATCH] revert oversized kmalloc check
As davem points out, this wasn't such a great idea. There may be some code
which does:
size = 1024*1024;
while (kmalloc(size, ...) == 0)
size /= 2;
which will now explode.
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Christoph Lameter <christoph@lameter.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/mm/slab.c b/mm/slab.c
index ad113c4..c9adfce 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2907,7 +2907,8 @@
* functions.
*/
cachep = __find_general_cachep(size, flags);
- BUG_ON(!cachep); /* Allocation size too large for kmalloc */
+ if (unlikely(cachep == NULL))
+ return NULL;
return __cache_alloc(cachep, flags);
}
EXPORT_SYMBOL(__kmalloc);