Messages in this thread | | | Date | Mon, 19 May 2008 09:44:11 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [patch 10/21] buffer heads: Support slab defrag |
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On Mon, 19 May 2008, David Chinner wrote:
> Defragmentation is triggered as part of the usual memory reclaim > process. Which implies we've run out of free memory, correct?
Yes but we have already reclaimed some memory.
> > How do you trigger such a special writeout? > > filemap_fdatawrite_range() perhaps?
Could you provide me such a patch? I would not know how much to writeout. If we had such a method then we could also use that for the swap case where we also write out single pages?
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