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SubjectRe: [PATCH RESEND] fs: Move bh_cachep to the __read_mostly section
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On Monday 28 May 2012 14:58:42 Vlad Zolotarov wrote:
> From: Shai Fultheim <shai@scalemp.com>
>
> bh_cachep is only written to once on initialization, so move it to the
> __read_mostly section.
>
> Signed-off-by: Shai Fultheim <shai@scalemp.com>
> Signed-off-by: Vlad Zolotarov <vlad@scalemp.com>
> ---
> fs/buffer.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/buffer.c b/fs/buffer.c
> index ad5938c..838a9cf 100644
> --- a/fs/buffer.c
> +++ b/fs/buffer.c
> @@ -3152,7 +3152,7 @@ SYSCALL_DEFINE2(bdflush, int, func, long, data)
> /*
> * Buffer-head allocation
> */
> -static struct kmem_cache *bh_cachep;
> +static struct kmem_cache *bh_cachep __read_mostly;
>
> /*
> * Once the number of bh's in the machine exceeds this level, we start

Al, my apologies, I missed that the patch has been applied on May 15-th. :)

thanks,
vlad


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