From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: moreau francis <francis_moreau2000@yahoo.fr>
Cc: linux-kernel@vger.kernel.org, apw@shadowen.org
Subject: Re: Re : sparsemem usage
Date: Wed, 02 Aug 2006 17:33:42 +0100 [thread overview]
Message-ID: <1154536422.23655.25.camel@localhost.localdomain> (raw)
In-Reply-To: <20060802153316.7813.qmail@web25813.mail.ukl.yahoo.com>
Ar Mer, 2006-08-02 am 15:33 +0000, ysgrifennodd moreau francis:
> > sections but nothing stops you marking most of the 2Mb section except
> > the 128K that exists as "in use"
>
> ok. But it will make pfn_valid() return "valid" for page beyond the first 128 KB.
> Won't that result in bad impacts later ?
Mapping out parts of a section is quite normal - think about the 640K to
1Mb hole in PC memory space.
Alan
next prev parent reply other threads:[~2006-08-02 16:14 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-02 13:44 sparsemem usage moreau francis
2006-08-02 14:25 ` Andy Whitcroft
2006-08-02 15:12 ` Re : " moreau francis
2006-08-02 15:36 ` Andy Whitcroft
2006-08-03 9:56 ` Re : " moreau francis
2006-08-02 15:24 ` Alan Cox
2006-08-02 15:33 ` Re : " moreau francis
2006-08-02 16:33 ` Alan Cox [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-08-10 4:46 Re : Re : Re : " KAMEZAWA Hiroyuki
2006-08-10 12:40 ` moreau francis
2006-08-10 12:49 ` KAMEZAWA Hiroyuki
2006-08-10 14:46 moreau francis
2006-08-10 15:05 ` KAMEZAWA Hiroyuki
2006-08-10 15:21 ` Andy Whitcroft
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