lockdep: shrink held_lock structure
struct held_lock {
u64 prev_chain_key; /* 0 8 */
struct lock_class * class; /* 8 8 */
long unsigned int acquire_ip; /* 16 8 */
struct lockdep_map * instance; /* 24 8 */
int irq_context; /* 32 4 */
int trylock; /* 36 4 */
int read; /* 40 4 */
int check; /* 44 4 */
int hardirqs_off; /* 48 4 */
/* size: 56, cachelines: 1 */
/* padding: 4 */
/* last cacheline: 56 bytes */
};
struct held_lock {
u64 prev_chain_key; /* 0 8 */
long unsigned int acquire_ip; /* 8 8 */
struct lockdep_map * instance; /* 16 8 */
unsigned int class_idx:11; /* 24:21 4 */
unsigned int irq_context:2; /* 24:19 4 */
unsigned int trylock:1; /* 24:18 4 */
unsigned int read:2; /* 24:16 4 */
unsigned int check:2; /* 24:14 4 */
unsigned int hardirqs_off:1; /* 24:13 4 */
/* size: 32, cachelines: 1 */
/* padding: 4 */
/* bit_padding: 13 bits */
/* last cacheline: 32 bytes */
};
[mingo@elte.hu: shrunk hlock->class too]
[peterz@infradead.org: fixup bit sizes]
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
3 files changed