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Subject[patch] alloc_buffer_head() cleanup
Hello,

This cleanups up alloc_buffer_head(), by using a single get_cpu_var().
Boot tested.

Coywolf


Signed-off-by: Coywolf Qi Hunt <qiyong@fc-cn.com>
---

buffer.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)

--- 2.6.13-rc6-mm2/fs/buffer.c~orig 2005-08-23 13:42:04.000000000 +0800
+++ 2.6.13-rc6-mm2/fs/buffer.c 2005-08-25 14:14:22.000000000 +0800
@@ -3049,10 +3049,9 @@ struct buffer_head *alloc_buffer_head(un
{
struct buffer_head *ret = kmem_cache_alloc(bh_cachep, gfp_flags);
if (ret) {
- preempt_disable();
- __get_cpu_var(bh_accounting).nr++;
+ get_cpu_var(bh_accounting).nr++;
recalc_bh_state();
- preempt_enable();
+ put_cpu_var(bh_accounting);
}
return ret;
}
-
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