linux-kernel - RE: [PATCH] ARM: Use asm-generic/sizes.h

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Date:	Wed, 23 Mar 2011 09:29:46 +0800
From:	"Guan Xuetao" <gxt@...c.pku.edu.cn>
To:	"'Stephen Boyd'" <sboyd@...eaurora.org>
Cc:	"'Arnd Bergmann'" <arnd@...db.de>,
	<linux-arm-kernel@...ts.infradead.org>,
	"'Russell King - ARM Linux'" <linux@....linux.org.uk>,
	<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] ARM: Use asm-generic/sizes.h



> -----Original Message-----
> From: Stephen Boyd [mailto:sboyd@...eaurora.org]
> Sent: Wednesday, March 23, 2011 2:40 AM
> To: Guan Xuetao
> Cc: 'Arnd Bergmann'; linux-arm-kernel@...ts.infradead.org; 'Russell King - ARM Linux'; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH] ARM: Use asm-generic/sizes.h
> 
> On 03/22/2011 06:43 AM, Guan Xuetao wrote:
> > And I just complete the SZ_* definitions for 32-bit architecture,
> > and remove SZ_48M for not being power-of-2 size.
> 
> 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.

Guan Xuetao

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