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Re: [PATCH] Clear dirty bits etc on compound frees
- To: Andrew Morton <akpm@osdl.org>
- Subject: Re: [PATCH] Clear dirty bits etc on compound frees
- From: Guillaume Morin <guillaume@morinfr.org>
- Date: Mon, 1 Dec 2003 04:02:52 +0100
- Cc: "Martin J. Bligh" <mbligh@aracnet.com>, linux-mm@kvack.org
- Fake-Sender: owner-linux-mm@kvack.org
- In-Reply-To: <20031126122036.6389c773.akpm@osdl.org>
- Original-Recipient: rfc822;linux-mm-archive@humbolt.geo.uu.nl
- References: <22420000.1069877625@[10.10.2.4]> <20031126122036.6389c773.akpm@osdl.org>
- Sender: Rik van Riel <riel@nl.linux.org>
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Dans un message du 26 Nov à 12:20, Andrew Morton écrivait :
> hmm. How did the dirty bit get itself set?
Pages in the cluster are mmaped via the nopage method as decribed in
Linux Device Drivers : http://www.xml.com/ldd/chapter/book/ch13.html#t2
in section "Remapping RAM". When the userspace program writes on a page,
it gets the dirty bit.
--
Guillaume Morin <guillaume@morinfr.org>
I'm unclean, a libertine, every time you vent your spleen, I seem to lose
the power of speech, you're slipping slowly from my reach, you grow me
like an evergreen, you've never seen me lonely at all. (Placebo)
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