On 06/13/2012 07:24 PM, Christoph Lameter wrote:
+struct kmem_cache *kmem_cache_create(const char *name, size_t size, size_t align,
+ unsigned long flags, void (*ctor)(void *))
+{
+ struct kmem_cache *s = NULL;
+
+#ifdef CONFIG_DEBUG_VM
+ if (!name || in_interrupt() || size< sizeof(void *) ||
+ size> KMALLOC_MAX_SIZE) {
+ printk(KERN_ERR "kmem_cache_create(%s) integrity check"
+ " failed\n", name);
+ goto out;
+ }
+#endif
Not really a BUG, but label out is not used if !CONFIG_DEBUG_VM. Suggest
testing for the slab panic flag here, and panicing if we need to.
+
+ s = __kmem_cache_create(name, size, align, flags, ctor);
+
+out:
+ if (!s&& (flags& SLAB_PANIC))
+ panic("kmem_cache_create: Failed to create slab '%s'\n", name);
+
+ return s;
+}
+EXPORT_SYMBOL(kmem_cache_create);
+
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