Re: [PATCH 0/13] Parallel struct page initialisation v4

From: Andrew Morton
Date: Tue May 05 2015 - 18:25:56 EST


On Tue, 5 May 2015 23:13:29 +0100 Mel Gorman <mgorman@xxxxxxx> wrote:

> > Alternatively, the page allocator can go off and synchronously
> > initialize some pageframes itself. Keep doing that until the
> > allocation attempt succeeds.
> >
>
> That was rejected during review of earlier attempts at this feature on
> the grounds that it impacted allocator fast paths.

eh? Changes are only needed on the allocation-attempt-failed path,
which is slow-path.
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