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| author | Zhang Yanfei <zhangyanfei@cn.fujitsu.com> | 2013-02-22 16:35:46 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-23 17:50:22 -0800 |
| commit | 43be594a6b0ce34ab5fa3b13e08727a99fb95b91 (patch) | |
| tree | bd76623b74473a04d4ebb4e044ac2382bfb43a54 /fs/buffer.c | |
| parent | 6434b94a16b09ac84a6411adb2bc0b645245d007 (diff) | |
| download | lwn-43be594a6b0ce34ab5fa3b13e08727a99fb95b91.tar.gz lwn-43be594a6b0ce34ab5fa3b13e08727a99fb95b91.zip | |
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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/buffer.c')
| -rw-r--r-- | fs/buffer.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index 2ea9cd44aeae..62169c192c21 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, |