From: Bernd Schmidt <bernds_cb1@t-online.de>
To: David Howells <dhowells@redhat.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Greg Ungerer <gerg@snapgear.com>,
David McCullough <davidm@snapgear.com>,
Paul Mundt <lethal@linux-sh.org>, Matt Mackall <mpm@selenic.com>,
"Wu, Bryan" <Bryan.Wu@analog.com>,
Mike Frysinger <vapier.adi@gmail.com>
Subject: Re: [PATCH, RFD] Unbreaking nommu mmap, v2
Date: Wed, 28 May 2008 18:51:50 +0200 [thread overview]
Message-ID: <483D8DA6.20903@t-online.de> (raw)
In-Reply-To: <31103.1211993234@redhat.com>
David Howells wrote:
> Note that this patch unconditionally trims allocations, whereas on yours this
> is optional. That can be easily remedied, if, in fact, the ability to request
> untrimmed allocations is worth doing.
Have you investigated the effect on fragmentation? I backed off on
trimming allocations, as it gave unacceptable results.
Is this patch different from the ones I tested last year? They were not
stable in my tests back then (fragmentation may have been an issue).
Bernd
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prev parent reply other threads:[~2008-05-28 16:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-27 16:36 [PATCH, RFD] Unbreaking nommu mmap, v2 Bernd Schmidt
2008-05-28 16:47 ` David Howells
2008-05-28 16:51 ` Bernd Schmidt [this message]
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