linux-kernel - Re: [PATCH] remove duplicate asm/mman.h files

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Message-ID: <alpine.DEB.1.00.0909181236190.27556@chino.kir.corp.google.com>
Date:	Fri, 18 Sep 2009 12:37:23 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Arnd Bergmann <arnd@...db.de>
cc:	Andrew Morton <akpm@...ux-foundation.org>, ebmunson@...ibm.com,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-man@...r.kernel.org, mtk.manpages@...il.com,
	randy.dunlap@...cle.com, rth@...ddle.net, ink@...assic.park.msu.ru
Subject: Re: [PATCH] remove duplicate asm/mman.h files

On Fri, 18 Sep 2009, Arnd Bergmann wrote:

> diff --git a/arch/ia64/include/asm/mman.h b/arch/ia64/include/asm/mman.h
> index cf55884..4459028 100644
> --- a/arch/ia64/include/asm/mman.h
> +++ b/arch/ia64/include/asm/mman.h
> @@ -8,21 +8,9 @@
>   *	David Mosberger-Tang <davidm@....hp.com>, Hewlett-Packard Co
>   */
>  
> -#include <asm-generic/mman-common.h>
> +#include <asm-generic/mman.h>
>  
> -#define MAP_GROWSDOWN	0x00100		/* stack-like segment */
> -#define MAP_GROWSUP	0x00200		/* register stack-like segment */
> -#define MAP_DENYWRITE	0x00800		/* ETXTBSY */
> -#define MAP_EXECUTABLE	0x01000		/* mark it as an executable */
> -#define MAP_LOCKED	0x02000		/* pages are locked */
> -#define MAP_NORESERVE	0x04000		/* don't check for reservations */
> -#define MAP_POPULATE	0x08000		/* populate (prefault) pagetables */
> -#define MAP_NONBLOCK	0x10000		/* do not block on IO */
> -#define MAP_STACK	0x20000		/* give out an address that is best suited for process/thread stacks */
> -#define MAP_HUGETLB	0x40000		/* create a huge page mapping */
> -
> -#define MCL_CURRENT	1		/* lock all current mappings */
> -#define MCL_FUTURE	2		/* lock all future mappings */
> +#define MAP_GROWSUP	0x0200		/* register stack-like segment */
>  
>  #ifdef __KERNEL__
>  #ifndef __ASSEMBLY__

ia64 doesn't use MAP_GROWSUP, so it's probably not necessary to carry it 
along with your cleanup.
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