On Feb 24, 2011, at 6:43 AM, John Linn wrote:
It seems like this also depends on that fact that __GFP_COLD will
work,
otherwise some of the data could
already be in the cache such that you're not guaranteed to get
everything out of the cache.
I wouldn't count on GFP_COLD as a guarantee the data isn't
in the cache. It's likely, but the generic MM functions just
ensures they are old pages, based on an indication from the
caller that freed the pages.
-- Dan
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