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[PATCH] lockdep: annotate skb_queue_head_init

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Teach special (multi-initialized) locking code to the lock validator.  Has no
effect on non-lockdep kernels.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar
2006-07-03 00:25:09 -07:00
committed by Linus Torvalds
parent 3aceafc1e2
commit 06825ba355
2 changed files with 10 additions and 0 deletions
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7
net/core/skbuff.c
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@@ -70,6 +70,13 @@
static kmem_cache_t *skbuff_head_cache __read_mostly;
static kmem_cache_t *skbuff_fclone_cache __read_mostly;
/*
* lockdep: lock class key used by skb_queue_head_init():
*/
struct lock_class_key skb_queue_lock_key;
EXPORT_SYMBOL(skb_queue_lock_key);
/*
* Keep out-of-line to prevent kernel bloat.
* __builtin_return_address is not used because it is not always