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authorIngo Molnar <mingo@kernel.org>2018-06-26 09:02:41 +0200
committerIngo Molnar <mingo@kernel.org>2018-06-26 09:02:41 +0200
commitf446474889c06883a3879faa0896e2359e812a6b (patch)
tree95634685d56dd532d1e9b73fbd07ca389296911b /include/linux/spinlock.h
parent01bdee64f9cf8e15f998bf52789ed9d0ebdfa621 (diff)
parent6f0d349d922ba44e4348a17a78ea51b7135965b1 (diff)
Merge branch 'linus' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/spinlock.h')
-rw-r--r--include/linux/spinlock.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 1e8a46435838..fd57888d4942 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -427,6 +427,11 @@ extern int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock);
#define atomic_dec_and_lock(atomic, lock) \
__cond_lock(lock, _atomic_dec_and_lock(atomic, lock))
+extern int _atomic_dec_and_lock_irqsave(atomic_t *atomic, spinlock_t *lock,
+ unsigned long *flags);
+#define atomic_dec_and_lock_irqsave(atomic, lock, flags) \
+ __cond_lock(lock, _atomic_dec_and_lock_irqsave(atomic, lock, &(flags)))
+
int alloc_bucket_spinlocks(spinlock_t **locks, unsigned int *lock_mask,
size_t max_size, unsigned int cpu_mult,
gfp_t gfp);