This is a one-liner to use cond_resched() rather than schedule()
in the ast delivery loop. It should not be necessary to schedule
every time, so this will save some cpu time while continuing to
allow scheduling when required.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c
index 8bf31e3..30c11f3 100644
--- a/fs/dlm/ast.c
+++ b/fs/dlm/ast.c
@@ -101,7 +101,7 @@ static void process_asts(void)
and may result in the lkb being freed */
dlm_put_lkb(lkb);

- schedule();
+ cond_resched();
}
}

On Wed, Dec 10, 2008 at 11:42:06AM +0000, Steven Whitehouse wrote:
>
> This is a one-liner to use cond_resched() rather than schedule()
> in the ast delivery loop. It should not be necessary to schedule
> every time, so this will save some cpu time while continuing to
> allow scheduling when required.

Thanks, will queue it up.

>
> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
>
> diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c
> index 8bf31e3..30c11f3 100644
> --- a/fs/dlm/ast.c
> +++ b/fs/dlm/ast.c
> @@ -101,7 +101,7 @@ static void process_asts(void)
> and may result in the lkb being freed */
> dlm_put_lkb(lkb);
>
> - schedule();
> + cond_resched();
> }
> }
>
>