lkml.org 
[lkml]   [2013]   [Feb]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
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


\
 
 \ /
  Last update: 2013-02-06 07:01    [W:0.068 / U:0.112 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site