linux-kernel - Re: [PATCH 3/12] get_unmapped_area handles MAP

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Message-ID: <20070425082711.GA26988@flint.arm.linux.org.uk>
Date:	Wed, 25 Apr 2007 09:27:11 +0100
From:	Russell King <rmk+lkml@....linux.org.uk>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Linux Memory Management <linux-mm@...ck.org>
Subject: Re: [PATCH 3/12] get_unmapped_area handles MAP_FIXED on arm

On Tue, Apr 24, 2007 at 03:33:35PM +1000, Benjamin Herrenschmidt wrote:
> ARM already had a case for MAP_FIXED in arch_get_unmapped_area() though
> it was not called before. Fix the comment to reflect that it will now
> be called.
> 
> Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>

Acked-by: Russell King <rmk+kernel@....linux.org.uk>

> 
>  arch/arm/mm/mmap.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> Index: linux-cell/arch/arm/mm/mmap.c
> ===================================================================
> --- linux-cell.orig/arch/arm/mm/mmap.c	2007-03-22 14:59:51.000000000 +1100
> +++ linux-cell/arch/arm/mm/mmap.c	2007-03-22 15:00:01.000000000 +1100
> @@ -49,8 +49,7 @@ arch_get_unmapped_area(struct file *filp
>  #endif
>  
>  	/*
> -	 * We should enforce the MAP_FIXED case.  However, currently
> -	 * the generic kernel code doesn't allow us to handle this.
> +	 * We enforce the MAP_FIXED case.
>  	 */
>  	if (flags & MAP_FIXED) {
>  		if (aliasing && flags & MAP_SHARED && addr & (SHMLBA - 1))
> -
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-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:
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