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| author | Al Viro | 2017-07-04 02:14:56 +0200 |
|---|---|---|
| committer | Al Viro | 2017-11-27 22:19:54 +0100 |
| commit | 3ad6f93e98d6df25d0667d847d3ab9cbdccb3eae (patch) | |
| tree | 8b52d66806f02c815198e962758ac4199d9ee6e0 /mm/memcontrol.c | |
| parent | anntotate the places where ->poll() return values go (diff) | |
| download | kernel-qcow2-linux-3ad6f93e98d6df25d0667d847d3ab9cbdccb3eae.tar.gz kernel-qcow2-linux-3ad6f93e98d6df25d0667d847d3ab9cbdccb3eae.tar.xz kernel-qcow2-linux-3ad6f93e98d6df25d0667d847d3ab9cbdccb3eae.zip | |
annotate poll-related wait keys
__poll_t is also used as wait key in some waitqueues.
Verify that wait_..._poll() gets __poll_t as key and
provide a helper for wakeup functions to get back to
that __poll_t value.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 50e6906314f8..006aa27f4fb4 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3777,7 +3777,7 @@ static int memcg_event_wake(wait_queue_entry_t *wait, unsigned mode, struct mem_cgroup_event *event = container_of(wait, struct mem_cgroup_event, wait); struct mem_cgroup *memcg = event->memcg; - unsigned long flags = (unsigned long)key; + __poll_t flags = key_to_poll(key); if (flags & POLLHUP) { /* |