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Date: Fri, 12 Dec 2008 12:00:49 +0100
From: Ingo Molnar <mingo@...e.hu>
To: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
Cc: Thomas Gleixner <tglx@...utronix.de>,
"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: uaccess: return value of __{get|put}_user() can
be int
* Hiroshi Shimamoto <h-shimamoto@...jp.nec.com> wrote:
> From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
>
> Impact: cleanup
>
> The type of return value of __{get|put}_user() can be int.
> There is no user to refer the return value of __{get|put}_user() as long.
> This reduces code size a bit on 64-bit.
>
> $ size vmlinux.*
> text data bss dec hex filename
> 4509265 479988 673588 5662841 566879 vmlinux.new
> 4511462 479988 673588 5665038 56710e vmlinux.old
>
> Signed-off-by: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
> ---
> arch/x86/include/asm/uaccess.h | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
applied to tip/x86/mm, thanks!
Ingo
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