From: Sam Ravnborg <sam@ravnborg.org>
To: Vladimir Murzin <murzin.v@gmail.com>
Cc: linux-arch@vger.kernel.org, tglx@linutronix.de,
davem@davemloft.net, lethal@linux-sh.org, linux@arm.linux.org.uk
Subject: Re: [PATCH 3/6] get_unmapped_area checks for TASK_SIZE before MAP_FIXED on sparc32
Date: Tue, 8 May 2012 18:27:22 +0200 [thread overview]
Message-ID: <20120508162722.GA11624@merkur.ravnborg.org> (raw)
In-Reply-To: <1336488022-3723-4-git-send-email-murzin.v@gmail.com>
On Tue, May 08, 2012 at 06:40:19PM +0400, Vladimir Murzin wrote:
> Move check for TASK_SIZE before MAP_FIXED in sparc32's arch_get_unmapped_area().
I would be good to copy relevant parts of your cover letter into each patch.
when the patches are applied we looses the cover letter...
>
> Signed-off-by: Vladimir Murzin <murzin.v@gmail.com>
> ---
> arch/sparc/kernel/sys_sparc_32.c | 9 +++++----
> 1 files changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
> index 42b282f..7bf30de 100644
> --- a/arch/sparc/kernel/sys_sparc_32.c
> +++ b/arch/sparc/kernel/sys_sparc_32.c
> @@ -40,6 +40,11 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
> {
> struct vm_area_struct * vmm;
>
> + if (len > TASK_SIZE - PAGE_SIZE)
> + return -ENOMEM;
This is not the same as the check it replaces - what is going on here?
Sam
next prev parent reply other threads:[~2012-05-08 16:27 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-08 14:40 [PATCH 0/6] get rid of extra check for TASK_SIZE in get_unmapped_area Vladimir Murzin
2012-05-08 14:40 ` [PATCH 1/6] get_unmapped_area checks for TASK_SIZE before MAP_FIXED on arm Vladimir Murzin
2012-05-08 14:40 ` [PATCH 2/6] get_unmapped_area checks for TASK_SIZE before MAP_FIXED on sh Vladimir Murzin
2012-05-08 14:40 ` [PATCH 3/6] get_unmapped_area checks for TASK_SIZE before MAP_FIXED on sparc32 Vladimir Murzin
2012-05-08 16:27 ` Sam Ravnborg [this message]
2012-05-09 8:07 ` Vladimir Murzin
2012-05-09 16:18 ` Sam Ravnborg
2012-05-09 18:04 ` Vladimir Murzin
2012-05-08 17:00 ` David Miller
2012-05-08 14:40 ` [PATCH 4/6] get_unmapped_area checks for TASK_SIZE before MAP_FIXED on sparc64 Vladimir Murzin
2012-05-08 17:00 ` David Miller
2012-05-08 14:40 ` [PATCH 5/6] get_unmapped_area checks for TASK_SIZE before MAP_FIXED on x86_64 Vladimir Murzin
2012-05-08 14:40 ` [PATCH 6/6] get_unmapped_area remove extra check for TASK_SIZE Vladimir Murzin
2012-05-09 16:26 ` [PATCH 0/6] get rid of extra check for TASK_SIZE in get_unmapped_area Russell King - ARM Linux
2012-05-09 17:56 ` Vladimir Murzin
2012-05-09 18:07 ` Russell King - ARM Linux
2012-05-10 3:01 ` Vladimir Murzin
2012-05-10 7:55 ` Russell King - ARM Linux
2012-05-10 18:08 ` Vladimir Murzin
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