summaryrefslogtreecommitdiff
path: root/kernel/futex/futex.h
diff options
context:
space:
mode:
authorJens Axboe <axboe@kernel.dk>2023-07-12 18:14:52 +0300
committerJens Axboe <axboe@kernel.dk>2023-09-29 11:36:54 +0300
commite52c43403c9b839a30a9cfc4b75109581389d764 (patch)
treecb8ecfe7d98899fea78e50c481f507a04efe7847 /kernel/futex/futex.h
parent12a4be50aff30ee8f2c6a64020c82a4e997e8d6c (diff)
downloadlinux-e52c43403c9b839a30a9cfc4b75109581389d764.tar.xz
futex: abstract out a __futex_wake_mark() helper
Move the unqueue and lock_ptr clear into a helper that futex_wake_mark() calls. Add it to the public functions as well, in preparation for using it outside the core futex code. Suggested-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'kernel/futex/futex.h')
-rw-r--r--kernel/futex/futex.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/futex/futex.h b/kernel/futex/futex.h
index 547f509b2c87..33835b81e0c3 100644
--- a/kernel/futex/futex.h
+++ b/kernel/futex/futex.h
@@ -219,6 +219,7 @@ extern int futex_wait_setup(u32 __user *uaddr, u32 val, unsigned int flags,
struct futex_q *q, struct futex_hash_bucket **hb);
extern void futex_wait_queue(struct futex_hash_bucket *hb, struct futex_q *q,
struct hrtimer_sleeper *timeout);
+extern bool __futex_wake_mark(struct futex_q *q);
extern void futex_wake_mark(struct wake_q_head *wake_q, struct futex_q *q);
extern int fault_in_user_writeable(u32 __user *uaddr);