Re: [PATCH -mm] vmscan: make mapped executable pages the first classcitizen

From: Christoph Lameter
Date: Thu May 07 2009 - 10:01:36 EST


On Thu, 7 May 2009, Wu Fengguang wrote:

> Introduce AS_EXEC to mark executables and their linked libraries, and to
> protect their referenced active pages from being deactivated.


We already have support for mlock(). How is this an improvement? This is
worse since the AS_EXEC pages stay on the active list and are continually
rescanned.

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