linux-kernel - [PATCH 2/7] mmc: Don't use PF

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Message-Id: <20091117161711.3DDA.A69D9226@jp.fujitsu.com>
Date:	Tue, 17 Nov 2009 16:17:50 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	kosaki.motohiro@...fujitsu.com, linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-mmc@...r.kernel.org
Subject: [PATCH 2/7] mmc: Don't use PF_MEMALLOC

Non MM subsystem must not use PF_MEMALLOC. Memory reclaim need few
memory, anyone must not prevent it. Otherwise the system cause
mysterious hang-up and/or OOM Killer invokation.

Cc: linux-mmc@...r.kernel.org
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
---
 drivers/mmc/card/queue.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 49e5823..5deb996 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -46,8 +46,6 @@ static int mmc_queue_thread(void *d)
 	struct mmc_queue *mq = d;
 	struct request_queue *q = mq->queue;
 
-	current->flags |= PF_MEMALLOC;
-
 	down(&mq->thread_sem);
 	do {
 		struct request *req = NULL;
-- 
1.6.2.5



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