mtd: don't use PF_MEMALLOC
authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Tue, 17 Nov 2009 07:18:41 +0000 (16:18 +0900)
committerDavid Woodhouse <David.Woodhouse@intel.com>
Mon, 30 Nov 2009 11:33:25 +0000 (11:33 +0000)
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.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
drivers/mtd/mtd_blkdevs.c

index 955226d74808ef7ca31836193090ae2f86b93348..fa83757e7c961367aab8c1803ef038cec3c44b52 100644 (file)
@@ -91,9 +91,6 @@ static int mtd_blktrans_thread(void *arg)
        struct request_queue *rq = tr->blkcore_priv->rq;
        struct request *req = NULL;
 
-       /* we might get involved when memory gets low, so use PF_MEMALLOC */
-       current->flags |= PF_MEMALLOC;
-
        spin_lock_irq(rq->queue_lock);
 
        while (!kthread_should_stop()) {