Messages in this thread Patch in this message |  | | Date | Wed, 06 Feb 2013 13:17:21 +0800 | From | Zhang Yanfei <> | Subject | [PATCH 3/7] fs/buffer.c: change type of max_buffer_heads to unsigned long |
| |
max_buffer_heads is calculated from nr_free_buffer_pages(), so change its type to unsigned long in case of overflow.
Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com> --- fs/buffer.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/buffer.c b/fs/buffer.c index 7a75c3e..3eb675b 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -3227,7 +3227,7 @@ static struct kmem_cache *bh_cachep __read_mostly; * Once the number of bh's in the machine exceeds this level, we start * stripping them in writeback. */ -static int max_buffer_heads; +static unsigned long max_buffer_heads; int buffer_heads_over_limit; @@ -3343,7 +3343,7 @@ EXPORT_SYMBOL(bh_submit_read); void __init buffer_init(void) { - int nrpages; + unsigned long nrpages; bh_cachep = kmem_cache_create("buffer_head", sizeof(struct buffer_head), 0, -- 1.7.1
|  |