[PATCH 1/4] hashtable: Add __HASHTABLE_INITIALIZER

[Nikolay Borisov <kernel-6AxghH7DbtA@public.gmane.org>]

This is used so that one can initialize a hashtbale declared in a
struct.

Signed-off-by: Nikolay Borisov <kernel-6AxghH7DbtA@public.gmane.org>
---
 include/linux/hashtable.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/hashtable.h b/include/linux/hashtable.h
index 661e5c2a8e2a..92d6a791b218 100644
--- a/include/linux/hashtable.h
+++ b/include/linux/hashtable.h
@@ -23,6 +23,9 @@
 #define DECLARE_HASHTABLE(name, bits)                                   	\
 	struct hlist_head name[1 << (bits)]
 
+#define __HASHTABLE_INITIALIZER(bits)						\
+	{ [0 ... (( 1 << bits)) - 1] = HLIST_HEAD_INIT }
+
 #define HASH_SIZE(name) (ARRAY_SIZE(name))
 #define HASH_BITS(name) ilog2(HASH_SIZE(name))
 
-- 
2.5.0