Re: [PATCH] ARM: Use asm-generic/sizes.h

From: Stephen Boyd
Date: Tue Mar 22 2011 - 23:16:49 EST

On 03/22/2011 06:29 PM, Guan Xuetao wrote:
>> -----Original Message-----
>> From: Stephen Boyd [mailto:sboyd@xxxxxxxxxxxxxx]
>> Sent: Wednesday, March 23, 2011 2:40 AM
>> To: Guan Xuetao
>> Cc: 'Arnd Bergmann'; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; 'Russell King - ARM Linux'; linux-kernel@xxxxxxxxxxxxxxx
>> Subject: Re: [PATCH] ARM: Use asm-generic/sizes.h
>> Ah, I didn't notice this part. SZ_48M is actually used by ARM code so
>> that would need to be added to the generic header should we go with this
>> patch.
> IMO, the content of asm-generic/sizes.h should only include power-of-2 sizes definitions.
> And SZ_48M could be replaced by (SZ_32M | SZ_16M) or (SZ_32M + SZ_16M), or added to arch-specific headers.

I'm hoping that kbuild gets asm-generic support sometime soon so files
with only a "#include <asm-generic/*>" are generated instead of living
in the tree. In that case I'd rather have the non power of 2 constants
added to the generic sizes.h and be done with it. There isn't any strong
technical reason to deny power of 2 constants from the generic header,

Note: SH could also move to this if SZ_26M is put in the generic header.

Sent by an employee of the Qualcomm Innovation Center, Inc.
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