From: Liu Ping Fan <kernelfans@gmail.com>
To: linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: [PATCH] pid: remove redundant condition
Date: Fri, 6 Apr 2012 14:16:29 +0800 [thread overview]
Message-ID: <1333692989-9230-1-git-send-email-kernelfans@gmail.com> (raw)
From: Liu Ping Fan <pingfank@linux.vnet.ibm.com>
Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com>
---
kernel/pid.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/kernel/pid.c b/kernel/pid.c
index 9f08dfa..e4ca244 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -248,8 +248,7 @@ void put_pid(struct pid *pid)
return;
ns = pid->numbers[pid->level].ns;
- if ((atomic_read(&pid->count) == 1) ||
- atomic_dec_and_test(&pid->count)) {
+ if (atomic_dec_and_test(&pid->count) {
kmem_cache_free(ns->pid_cachep, pid);
put_pid_ns(ns);
}
--
1.7.4.4
next reply other threads:[~2012-04-06 6:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-06 6:16 Liu Ping Fan [this message]
2012-04-06 6:26 ` Linus Torvalds
2012-04-06 8:33 ` Liu ping fan
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