linux-kernel - Re: [PATCH 1/4] x86: clean up asm-x86/page*.h

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Date:	Fri, 14 Dec 2007 10:28:16 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jan Beulich <jbeulich@...ell.com>,
	Glauber de Oliveira Costa <glommer@...il.com>
Subject: Re: [PATCH 1/4] x86: clean up asm-x86/page*.h


* Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> Unify common definitions in page*.h.  To simplify other code, I added 
> typedefs for the value of pte/pmd/pud/pgd values, so they can be used 
> symbolically elsewhere without needing to have lots of 32/64/PAE 
> tests.
> 
> Also, add PAGETABLE_LEVELS define so that other definitions can test 
> for it directly rather than using indirect 32/64/PAE tests.

this one introduces mass warnings of:

 include/asm/page.h: In function 'copy_page':
 include/asm/page.h:34: warning: passing argument 2 of 'mmx_copy_page' discards qualifiers from pointer target type
 In file included from include/asm/thread_info_32.h:14,
                 from include/asm/thread_info.h:3,
                 from include/linux/thread_info.h:35,
                 from include/linux/preempt.h:10,
                 from include/linux/spinlock.h:50,
                 from include/linux/mmzone.h:8,
                 from include/linux/gfp.h:5,
                 from include/linux/mm.h:9,
                 from arch/x86/mm/mmap.c:29:

with the attached config.

	Ingo

View attachment "config" of type "text/plain" (44818 bytes)