The patch titled
Subject: epoll: cleanup: use RCU_INIT_POINTER when nulling
has been removed from the -mm tree. Its filename was
epoll-cleanup-use-rcu_init_pointer-when-nulling.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Eric Wong <normalperson@xxxxxxxx>
Subject: epoll: cleanup: use RCU_INIT_POINTER when nulling
It is always safe to use RCU_INIT_POINTER to NULL a pointer. This results
in slightly smaller/faster code.
Signed-off-by: Eric Wong <normalperson@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/eventpoll.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/eventpoll.c~epoll-cleanup-use-rcu_init_pointer-when-nulling fs/eventpoll.c
--- a/fs/eventpoll.c~epoll-cleanup-use-rcu_init_pointer-when-nulling
+++ a/fs/eventpoll.c
@@ -1213,7 +1213,7 @@ static noinline void ep_destroy_wakeup_s
{
struct wakeup_source *ws = ep_wakeup_source(epi);
- rcu_assign_pointer(epi->ws, NULL);
+ RCU_INIT_POINTER(epi->ws, NULL);
/*
* wait for ep_pm_stay_awake_rcu to finish, synchronize_rcu is
_
Patches currently in -mm which might be from normalperson@xxxxxxxx are
origin.patch
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