| To: | Dave Chinner <david@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH 11/12] vfs: increase shrinker batch size |
| From: | Nicolas Kaiser <nikai@xxxxxxxxx> |
| Date: | Thu, 2 Jun 2011 11:30:26 +0200 |
| Cc: | linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, xfs@xxxxxxxxxxx |
| Face: | iVBORw0KGgoAAAANSUhEUgAAADAAAAAwAQMAAABtzGvEAAAAAXNSR0IArs4c6QAAAAZQTFRF AJnV/f/88sgWwwAAAKNJREFUGNM10LENwyAQheFHKCgZgTVSRHI2gy5reROTDSiREvnyHhdXnwXS+ T+ACJgBYTiGSmDDOTdR7XDeTi9ksxEcoKFcTOCJLO7kC5SWFjPZCR69nI9+x5u6OJM1RN5UYUiNKa ZRpHHUoqh1v8hKEZ1FSGCrYOvgVmxd9DIXcSJwLTycm7bj0e4wkJGB48w/FckAwUKl/OGDZAcqItk BU+wHXLqKsjYyPeMAAAAASUVORK5CYII= |
| In-reply-to: | <1306998067-27659-12-git-send-email-david@xxxxxxxxxxxxx> |
| Organization: | - |
| References: | <1306998067-27659-1-git-send-email-david@xxxxxxxxxxxxx> <1306998067-27659-12-git-send-email-david@xxxxxxxxxxxxx> |
Just noticed below two typos. * Dave Chinner <david@xxxxxxxxxxxxx>: > From: Dave Chinner <dchinner@xxxxxxxxxx> > > 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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