linux-kernel - [PATCH] uml: fixup allocation in the ubd driver

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Message-Id: <1178049367.5182.4.camel@taijtu>
Date:	Tue, 01 May 2007 21:56:07 +0200
From:	Peter Zijlstra <pzijlstr@...hat.com>
To:	akpm <akpm@...ux-foundation.org>, Jeff Dike <jdike@...toit.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] uml: fixup allocation in the ubd driver

I needed this for 2.6.21-rc7-mm2, ubd was complaining about sleeping in
an atomic context.
---

Sanitise gfp flags; it actually is an atomic context, so drop the
GFP_KERNEL part.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Acked-by: Jeff Dike <jdike@...toit.com>
---
 arch/um/drivers/ubd_kern.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/arch/um/drivers/ubd_kern.c
===================================================================
--- linux-2.6.orig/arch/um/drivers/ubd_kern.c	2007-05-01 21:41:13.000000000 +0200
+++ linux-2.6/arch/um/drivers/ubd_kern.c	2007-05-01 21:49:23.000000000 +0200
@@ -1102,7 +1102,7 @@ static void do_ubd_request(request_queue
 			struct scatterlist *sg = &dev->sg[dev->start_sg];
 
 			io_req = kmalloc(sizeof(struct io_thread_req),
-					 GFP_KERNEL | GFP_ATOMIC);
+					 GFP_ATOMIC);
 			if(io_req == NULL){
 				if(list_empty(&dev->restart))
 					list_add(&dev->restart, &restart);


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