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Commit 462e1e1bc879d10d7c2ce96a1b1001edaaa815ba

Authored by Lai Jiangshan
Committed by Al Viro
1 parent 614c321f4b
Exists in smarc-l5.0.0_1.0.0-ga and in 5 other branches imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga

lglock: remove unused DEFINE_LGLOCK_LOCKDEP() 

struct lglocks use their own lock_key/lock_dep_map which are defined in
struct lglock.  DEFINE_LGLOCK_LOCKDEP() is unused, so remove it and save a
small piece of memory.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Showing 1 changed file with 0 additions and 9 deletions Side-by-side Diff

include/linux/lglock.h
Diff comments   View file @ 462e1e1
... ... @@ -36,16 +36,8 @@
36 36  
37 37 #ifdef CONFIG_DEBUG_LOCK_ALLOC
38 38 #define LOCKDEP_INIT_MAP lockdep_init_map
39   -
40   -#define DEFINE_LGLOCK_LOCKDEP(name) \
41   - struct lock_class_key name##_lock_key; \
42   - struct lockdep_map name##_lock_dep_map; \
43   - EXPORT_SYMBOL(name##_lock_dep_map)
44   -
45 39 #else
46 40 #define LOCKDEP_INIT_MAP(a, b, c, d)
47   -
48   -#define DEFINE_LGLOCK_LOCKDEP(name)
49 41 #endif
50 42  
51 43 struct lglock {
... ... @@ -57,7 +49,6 @@
57 49 };
58 50  
59 51 #define DEFINE_LGLOCK(name) \
60   - DEFINE_LGLOCK_LOCKDEP(name); \
61 52 DEFINE_PER_CPU(arch_spinlock_t, name ## _lock) \
62 53 = __ARCH_SPIN_LOCK_UNLOCKED; \
63 54 struct lglock name = { .lock = &name ## _lock }