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

To: Suparna Bhattacharya <suparna@in.ibm.com>
Subject: Re: [PATCH]Fix: Init page count for all pages during higher orderallocs
From: Hugh Dickins <hugh@veritas.com>
Date: Fri, 3 May 2002 14:46:34 +0100 (BST)
cc: Andrew Morton <akpm@zip.com.au>,"Eric W. Biederman" <ebiederm@xmission.com>,linux-kernel@vger.kernel.org, marcelo@conectiva.com.br,linux-mm@kvack.org
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Sender: Rik van Riel <riel@nl.linux.org>

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,
seems much more appealing than my extra flag for GFP_HIGHUSER.

Hugh

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  - From: Suparna Bhattacharya <suparna@in.ibm.com>

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