linux-kernel - [PATCH 7/7] net: change type of virtio_chan->p9_max

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Date:	Wed, 06 Feb 2013 13:21:56 +0800
From:	Zhang Yanfei <zhangyanfei@...fujitsu.com>
To:	Andrew Morton <akpm@...ux-foundation.org>, mgorman@...e.de,
	minchan@...nel.org, kamezawa.hiroyu@...fujitsu.com,
	davem@...emloft.net
CC:	Linux MM <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 7/7] net: change type of virtio_chan->p9_max_pages

This member of struct virtio_chan is calculated from nr_free_buffer_pages
so change its type to unsigned long in case of overflow.

Signed-off-by: Zhang Yanfei <zhangyanfei@...fujitsu.com>
---
 net/9p/trans_virtio.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index fd05c81..de2e950 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -87,7 +87,7 @@ struct virtio_chan {
 	/* This is global limit. Since we don't have a global structure,
 	 * will be placing it in each channel.
 	 */
-	int p9_max_pages;
+	unsigned long p9_max_pages;
 	/* Scatterlist: can be too big for stack. */
 	struct scatterlist sg[VIRTQUEUE_NUM];
 
-- 
1.7.1

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