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SubjectRe: [PATCH 1/2] vmscan: promote shared file mapped pages
On Wed, Nov 02, 2011 at 05:30:56PM +0100, Johannes Weiner wrote:
> Tipping the balance for inactive list rotation has been there from the
> beginning, but I don't quite understand why. It probably was not a
> problem as the conditions for inactive cycling applied to both file
> and anon equally, but with used-once detection for file and deferred
> file writeback from direct reclaim, we tend to cycle more file pages
> on the inactive list than anonymous ones. Those rotated pages should
> be a signal to favor file reclaim, though.

[...] should NOT be a signal [...]

obviously. Sorry.


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