From: "H. Peter Anvin" <hpa@zytor.com>
To: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86: parocessor.h - use PAGE_SIZE instead of numeric constant
Date: Wed, 12 Mar 2008 22:10:38 +0100 [thread overview]
Message-ID: <47D846CE.1020005@zytor.com> (raw)
In-Reply-To: <20080312201405.GA9591@cvg>
Cyrill Gorcunov wrote:
> This patch replaces numeric constant with an appropriate macro
>
> Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
>
> ---
>
> Index: linux-2.6.git/include/asm-x86/processor.h
> ===================================================================
> --- linux-2.6.git.orig/include/asm-x86/processor.h 2008-02-20 19:14:57.000000000 +0300
> +++ linux-2.6.git/include/asm-x86/processor.h 2008-03-12 23:10:02.000000000 +0300
> @@ -786,7 +786,7 @@ extern unsigned long thread_saved_pc(str
> /*
> * User space process size. 47bits minus one guard page.
> */
> -#define TASK_SIZE64 (0x800000000000UL - 4096)
> +#define TASK_SIZE64 (0x800000000000UL - PAGE_SIZE)
>
> /* This decides where the kernel will search for a free chunk of vm
> * space during mmap's.
Although I'd personally prefer ((1UL << 47) - PAGE_SIZE)
-hpa
next prev parent reply other threads:[~2008-03-12 21:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-12 20:14 Cyrill Gorcunov
2008-03-12 21:10 ` H. Peter Anvin [this message]
2008-03-12 21:21 ` Cyrill Gorcunov
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