Re: [PATCH]Fix: Init page count for all pages during higher order allocs

From: Suparna Bhattacharya (
Date: Tue May 07 2002 - 05:11:35 EST

On Fri, May 03, 2002 at 02:46:34PM +0100, Hugh Dickins wrote:
> On Fri, 3 May 2002, Suparna Bhattacharya wrote:
> >
> > For example we have an option that tries to exclude non-kernel
> > pages from the dump based on a simple heuristic of checking the
> > PG_lru flag (actually exclude LRU pages and unreferenced pages).
> I hadn't thought of using PG_lru (last thought about it before
> anonymous pages were put on the LRU in 2.4.14): good idea,

Owe that one to Andrew Morton mostly for suggesting a PG_lru
check in the context of a way to identify Anon pages.

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