[PATCH 11/12] vfs: increase shrinker batch size

Nicolas Kaiser nikai at nikai.net
Thu Jun 2 04:30:26 CDT 2011


Just noticed below two typos.

* Dave Chinner <david at fromorbit.com>:
> From: Dave Chinner <dchinner at redhat.com>
> 
> Now that the per-sb shrinker is responsible for shrinking 2 or more
> caches, increase the batch size to keep econmies of scale for

economies

(..)

>  Documentation/filesystems/vfs.txt |    5 +++++
>  fs/super.c                        |    1 +
>  2 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
> index dc732d2..2e26973 100644
> --- a/Documentation/filesystems/vfs.txt
> +++ b/Documentation/filesystems/vfs.txt
> @@ -317,6 +317,11 @@ or bottom half).
>  	the VM is trying to reclaim under GFP_NOFS conditions, hence this
>  	method does not need to handle that situation itself.
>  
> +	Implementations must include conditional reschedule calls inside any
> +	scanning loop that is done. This allows the VFS to determine
> +	appropriate scan batch sizes without having to worry about whether
> +	implementations will cause holdoff problems due ot large batch sizes.

due to

Best regards,
Nicolas Kaiser




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