diff options
| author | Christian Brauner <brauner@kernel.org> | 2023-11-22 13:48:23 +0100 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2023-11-28 14:08:38 +0100 |
| commit | 3652117f854819a148ff0fbe4492587d3520b5e5 (patch) | |
| tree | af6b202558ccb43726b9ef5e279005cf6bec15a8 /mm | |
| parent | 85884871921000b9bca2184077b1159771e50047 (diff) | |
eventfd: simplify eventfd_signal()
Ever since the eventfd type was introduced back in 2007 in commit
e1ad7468c77d ("signal/timer/event: eventfd core") the eventfd_signal()
function only ever passed 1 as a value for @n. There's no point in
keeping that additional argument.
Link: https://lore.kernel.org/r/20231122-vfs-eventfd-signal-v2-2-bd549b14ce0c@kernel.org
Acked-by: Xu Yilun <yilun.xu@intel.com>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com> # ocxl
Acked-by: Eric Farman <farman@linux.ibm.com> # s390
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 10 | ||||
| -rw-r--r-- | mm/vmpressure.c | 2 |
2 files changed, 6 insertions, 6 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 774bd6e21e27..dfbb1d3b77b7 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4378,7 +4378,7 @@ static void __mem_cgroup_threshold(struct mem_cgroup *memcg, bool swap) * only one element of the array here. */ for (; i >= 0 && unlikely(t->entries[i].threshold > usage); i--) - eventfd_signal(t->entries[i].eventfd, 1); + eventfd_signal(t->entries[i].eventfd); /* i = current_threshold + 1 */ i++; @@ -4390,7 +4390,7 @@ static void __mem_cgroup_threshold(struct mem_cgroup *memcg, bool swap) * only one element of the array here. */ for (; i < t->size && unlikely(t->entries[i].threshold <= usage); i++) - eventfd_signal(t->entries[i].eventfd, 1); + eventfd_signal(t->entries[i].eventfd); /* Update current_threshold */ t->current_threshold = i - 1; @@ -4430,7 +4430,7 @@ static int mem_cgroup_oom_notify_cb(struct mem_cgroup *memcg) spin_lock(&memcg_oom_lock); list_for_each_entry(ev, &memcg->oom_notify, list) - eventfd_signal(ev->eventfd, 1); + eventfd_signal(ev->eventfd); spin_unlock(&memcg_oom_lock); return 0; @@ -4649,7 +4649,7 @@ static int mem_cgroup_oom_register_event(struct mem_cgroup *memcg, /* already in OOM ? */ if (memcg->under_oom) - eventfd_signal(eventfd, 1); + eventfd_signal(eventfd); spin_unlock(&memcg_oom_lock); return 0; @@ -4941,7 +4941,7 @@ static void memcg_event_remove(struct work_struct *work) event->unregister_event(memcg, event->eventfd); /* Notify userspace the event is going away. */ - eventfd_signal(event->eventfd, 1); + eventfd_signal(event->eventfd); eventfd_ctx_put(event->eventfd); kfree(event); diff --git a/mm/vmpressure.c b/mm/vmpressure.c index 22c6689d9302..bd5183dfd879 100644 --- a/mm/vmpressure.c +++ b/mm/vmpressure.c @@ -169,7 +169,7 @@ static bool vmpressure_event(struct vmpressure *vmpr, continue; if (level < ev->level) continue; - eventfd_signal(ev->efd, 1); + eventfd_signal(ev->efd); ret = true; } mutex_unlock(&vmpr->events_lock); |