Messages in this thread Patch in this message | | | From | Lai Jiangshan <> | Subject | [PATCH 1/3] lglock: remove unused DEFINE_LGLOCK_LOCKDEP() | Date | Tue, 9 Oct 2012 11:46:38 +0800 |
| |
struct lglocks use their own lock_key/lock_dep_map which are defined in struct lglock. DEFINE_LGLOCK_LOCKDEP() is unused now, so we remove it and save a small piece of memory.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> --- include/linux/lglock.h | 9 --------- 1 files changed, 0 insertions(+), 9 deletions(-)
diff --git a/include/linux/lglock.h b/include/linux/lglock.h index f01e5f6..45eff71 100644 --- a/include/linux/lglock.h +++ b/include/linux/lglock.h @@ -36,16 +36,8 @@ #ifdef CONFIG_DEBUG_LOCK_ALLOC #define LOCKDEP_INIT_MAP lockdep_init_map - -#define DEFINE_LGLOCK_LOCKDEP(name) \ - struct lock_class_key name##_lock_key; \ - struct lockdep_map name##_lock_dep_map; \ - EXPORT_SYMBOL(name##_lock_dep_map) - #else #define LOCKDEP_INIT_MAP(a, b, c, d) - -#define DEFINE_LGLOCK_LOCKDEP(name) #endif struct lglock { @@ -57,7 +49,6 @@ struct lglock { }; #define DEFINE_LGLOCK(name) \ - DEFINE_LGLOCK_LOCKDEP(name); \ DEFINE_PER_CPU(arch_spinlock_t, name ## _lock) \ = __ARCH_SPIN_LOCK_UNLOCKED; \ struct lglock name = { .lock = &name ## _lock } -- 1.7.4.4
| |