linux-kernel - Re: [PATCH] arch: m68k: include: asm: define 'VM_DATA_DEFAULT_FLAGS' no matter whether has 'NOMMU' or not.

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Message-ID: <51D0ECC2.3020101@asianux.com>
Date:	Mon, 01 Jul 2013 10:43:14 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
CC:	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	"dhowells@...hat.com" <dhowells@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>, davej@...hat.com,
	Arnd Bergmann <arnd@...db.de>,
	linux-m68k <linux-m68k@...ts.linux-m68k.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-Arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH] arch: m68k: include: asm: define 'VM_DATA_DEFAULT_FLAGS'
 no matter whether has 'NOMMU' or not.

Hello Maintainers:

Please help check the patch whether OK or not, when you have time.

Thanks.

On 06/22/2013 02:49 PM, Chen Gang wrote:
> 
> Define 'VM_DATA_DEFAULT_FLAGS' when 'NOMMU' to pass compiling.
> 
> So move it from "include/asm/page_mm.h to "include/asm/page.h"
> 
> The related make:
> 
>   make ARCH=m68k randconfig
>   make ARCH=m68k menuconfig
>     choose cross compiler
>     disable MMU support
>   make ARCH=m68k V=1 EXTRA_CFLAGS=-W
> 
> The related error:
> 
>   security/selinux/hooks.c: In function ‘selinux_init’:
>   security/selinux/hooks.c:5821:21: error: ‘VM_DATA_DEFAULT_FLAGS’ undeclared (first use in this function)
> 
> (the attachment is the related .config file)
> 
> 
> Signed-off-by: Chen Gang <gang.chen@...anux.com>
> ---
>  arch/m68k/include/asm/page.h    |    3 +++
>  arch/m68k/include/asm/page_mm.h |    3 ---
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/m68k/include/asm/page.h b/arch/m68k/include/asm/page.h
> index 7c360da..38b024a 100644
> --- a/arch/m68k/include/asm/page.h
> +++ b/arch/m68k/include/asm/page.h
> @@ -48,6 +48,9 @@ extern unsigned long _ramend;
>  #include <asm/page_no.h>
>  #endif
>  
> +#define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | VM_EXEC | \
> +				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
> +
>  #include <asm-generic/getorder.h>
>  
>  #endif /* _M68K_PAGE_H */
> diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h
> index 89f2014..5029f73 100644
> --- a/arch/m68k/include/asm/page_mm.h
> +++ b/arch/m68k/include/asm/page_mm.h
> @@ -173,7 +173,4 @@ static inline __attribute_const__ int __virt_to_node_shift(void)
>  
>  #endif /* __ASSEMBLY__ */
>  
> -#define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | VM_EXEC | \
> -				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
> -
>  #endif /* _M68K_PAGE_MM_H */
> 


-- 
Chen Gang
--
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