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-rw-r--r--mm/slab.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/mm/slab.c b/mm/slab.c
index f989af87b72c..328233a724af 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2104,6 +2104,32 @@ static int __init_refok setup_cpu_cache(struct kmem_cache *cachep, gfp_t gfp)
return 0;
}
+unsigned long kmem_cache_flags(unsigned long object_size,
+ unsigned long flags, const char *name,
+ void (*ctor)(void *))
+{
+ return flags;
+}
+
+struct kmem_cache *
+__kmem_cache_alias(const char *name, size_t size, size_t align,
+ unsigned long flags, void (*ctor)(void *))
+{
+ struct kmem_cache *cachep;
+
+ cachep = find_mergeable(size, align, flags, name, ctor);
+ if (cachep) {
+ cachep->refcount++;
+
+ /*
+ * Adjust the object sizes so that we clear
+ * the complete object on kzalloc.
+ */
+ cachep->object_size = max_t(int, cachep->object_size, size);
+ }
+ return cachep;
+}
+
/**
* __kmem_cache_create - Create a cache.
* @cachep: cache management descriptor