linux-kernel - Re: [QUICKLIST 0/4] Arch independent quicklists V2

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Message-ID: <45F6DFA2.9060106@goop.org>
Date:	Tue, 13 Mar 2007 10:30:10 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Nick Piggin <nickpiggin@...oo.com.au>
CC:	Andrew Morton <akpm@...ux-foundation.org>, clameter@....com,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [QUICKLIST 0/4] Arch independent quicklists V2

Nick Piggin wrote:
> However we still have to visit those to-be-unmapped parts of the page
> table,
> to find the pages and free them. So we still at least need to bring it
> into
> cache for the read... at which point, the store probably isn't a big
> burden.

Why not try to find a place to stash a linklist pointer and link them
all together?  Saves the pulldown pagetable walk altogether.

    J
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