Re: [PATCH RESEND] fs: Move bh_cachep to the __read_mostly section

[Vlad Zolotarov <vlad@scalemp.com>]

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

Alexander, could u, pls., take a look at this patch? Could u, pls., update me 
about its state. Should I respin?

thanks in advance,
vlad