Re: [RFC] Track mlock()ed pages

From: Nick Piggin
Date: Fri Jan 26 2007 - 06:46:41 EST


Christoph Lameter wrote:
On Fri, 26 Jan 2007, Nick Piggin wrote:


Christoph Lameter wrote:

Add NR_MLOCK

Track mlocked pages via a ZVC

I think it is not quite right. You are tracking the number of ptes
that point to mlocked pages, which can be >= the actual number of pages.


Mlocked pages are not inherited. I would expect sharing to be very rare.

Things like library and application text could easily have a lot of
sharing.

--
SUSE Labs, Novell Inc.
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