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From: Chris Wright <chrisw@osdl.org>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Rik van Riel <riel@redhat.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] prevent NULL mmap in topdown model
Date: Wed, 18 May 2005 23:46:57 -0700	[thread overview]
Message-ID: <20050519064657.GH23013@shell0.pdx.osdl.net> (raw)
In-Reply-To: <Pine.LNX.4.58.0505181946300.2322@ppc970.osdl.org>

* Linus Torvalds (torvalds@osdl.org) wrote:
> However, it would be good to have even the trivial patch tested. 
> Especially since what it tries to fix is a total corner-case in the first 
> place..

I gave it a quick and simple test.  Worked as expected.  Last page got
mapped at 0x1000, leaving first page unmapped.  Of course, either with
MAP_FIXED or w/out MAP_FIXED but proper hint (like -1) you can still
map first page.  This isn't to say I was extra creative in testing.
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  reply	other threads:[~2005-05-19  6:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-18 19:57 Rik van Riel
2005-05-18 20:38 ` Arjan van de Ven
2005-05-18 21:16   ` Rik van Riel
2005-05-18 22:41     ` Linus Torvalds
2005-05-18 22:39 ` Linus Torvalds
2005-05-19  2:25   ` Rik van Riel
2005-05-19  2:47     ` Linus Torvalds
2005-05-19  6:46       ` Chris Wright [this message]
2005-05-19  8:15         ` Arjan van de Ven
2005-05-19  8:23           ` Chris Wright
2005-05-29 21:16           ` Greg Stark
2005-05-31 16:56             ` Chris Wright

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