[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" <[email protected]> Cc: Christoph Lameter <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
chewitt · Sep 23, 2005 · dbdb904 · dbdb904
1 parent 86513e7
commit dbdb904
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/mm/slab.c b/mm/slab.c
@@ -2907,7 +2907,8 @@ void *__kmalloc(size_t size, unsigned int __nocast flags)
 	 * 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);