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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next prev parent 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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