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From: David Miller <davem@davemloft.net>
To: jlieskov@redhat.com
Cc: sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: sparc: Fix mremap VA span checking.
Date: Mon, 12 May 2008 04:24:53 -0700 (PDT)	[thread overview]
Message-ID: <20080512.042453.238263459.davem@davemloft.net> (raw)
In-Reply-To: <1210590913.10883.9.camel@dhcp-lab-164.englab.brq.redhat.com>

From: Jan Lieskovsky <jlieskov@redhat.com>
Date: Mon, 12 May 2008 13:15:12 +0200

>  I have investigated the code for MREMAP_FIXED in
> sparc_mremap in arch/sparc/kernel/sys_sparc.c, for sys64_mremap
> in arch/sparc64/kernel/sys_sparc.c and 
> for sys32_mremap in arch/sparc64/kernel/sys_sparc32.c
> and there are similar conditional range checks ->
> attaching the patches against 2.6.25.3.

Thanks for the report, I'll take a look at this after getting
some sleep as it's late hear.

My first impression is that it might make sense to put an
arch_mmap_check() call at the appropriate spots instead of duplicating
this check so many times.

  reply	other threads:[~2008-05-12 11:25 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-12 11:15 Jan Lieskovsky
2008-05-12 11:24 ` David Miller [this message]
2008-05-12 23:12   ` Martin Habets
2008-05-12 23:24     ` David Miller
2008-05-12 23:48   ` David Miller

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