Re: [PATCH RESEND] fs: Move bh_cachep to the __read_mostly section
From: Vlad Zolotarov
Date: Thu Jun 07 2012 - 04:23:26 EST
On Monday 28 May 2012 14:58:42 Vlad Zolotarov wrote:
> From: Shai Fultheim <shai@xxxxxxxxxxx>
>
> bh_cachep is only written to once on initialization, so move it to the
> __read_mostly section.
>
> Signed-off-by: Shai Fultheim <shai@xxxxxxxxxxx>
> Signed-off-by: Vlad Zolotarov <vlad@xxxxxxxxxxx>
> ---
> 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
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