linux-kernel - [PATCH 08/23] don't force return value checking in res_counter_charge

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Message-Id: <1334958560-18076-9-git-send-email-glommer@parallels.com>
Date:	Fri, 20 Apr 2012 18:49:05 -0300
From:	Glauber Costa <glommer@...allels.com>
To:	<cgroups@...r.kernel.org>
Cc:	<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
	<devel@...nvz.org>, <kamezawa.hiroyu@...fujitsu.com>,
	Michal Hocko <mhocko@...e.cz>,
	Johannes Weiner <hannes@...xchg.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Greg Thelen <gthelen@...gle.com>,
	Suleiman Souhlal <suleiman@...gle.com>,
	Glauber Costa <glommer@...allels.com>
Subject: [PATCH 08/23] don't force return value checking in res_counter_charge_nofail

Since we will succeed with the allocation no matter what, there
isn't the need to use __must_check with it. It can very well
be optional.

Signed-off-by: Glauber Costa <glommer@...allels.com>
CC: Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
CC: Johannes Weiner <hannes@...xchg.org>
CC: Michal Hocko <mhocko@...e.cz>
---
 include/linux/res_counter.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/res_counter.h b/include/linux/res_counter.h
index da81af0..f7621cf 100644
--- a/include/linux/res_counter.h
+++ b/include/linux/res_counter.h
@@ -119,7 +119,7 @@ int __must_check res_counter_charge_locked(struct res_counter *counter,
 		unsigned long val);
 int __must_check res_counter_charge(struct res_counter *counter,
 		unsigned long val, struct res_counter **limit_fail_at);
-int __must_check res_counter_charge_nofail(struct res_counter *counter,
+int res_counter_charge_nofail(struct res_counter *counter,
 		unsigned long val, struct res_counter **limit_fail_at);
 
 /*
-- 
1.7.7.6

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