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