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Date:	Fri, 18 May 2007 03:21:26 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	sam@...nborg.org
Cc:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 05/14] all-archs: consolidate .data section definition
 in asm-generic

From: Sam Ravnborg <sam@...nborg.org>
Date: Fri, 18 May 2007 11:42:31 +0200

> On Fri, May 18, 2007 at 12:16:04AM -0700, David Miller wrote:
> > 
> > Looking at these patches reminds me of a quirk in the generic
> > RODATA definition:
> > 
> > >  #define RODATA								\
> > >  	. = ALIGN(4096);						\
> > >  	.rodata           : AT(ADDR(.rodata) - LOAD_OFFSET) {		\
> > 
> > It uses ALIGN(4096) which is likely supposed to be something
> > like ALIGN(PAGE_SIZE).  Perhaps we should handle this by
> > definiting a LD_PAGE_SIZE at the top of vmlinux.ld.S files
> > that need a value other than 4096, and define the default of
> > 4096 in asm-generic/vmlinux.lds.h?
> 
> I would much rather use PAGE_SIZE direct since we have access to that symbol.

I completely agree, that seems to be what platforms which have
a configurable page size such as powerpc, ia64, etc. are already
using in their vmlinux.lds.S files, and I'll likely follow suit on
sparc64. :-)

> > If you could take care of this I'd really appreciate it.
> Will do.
> And may expend the effort a bit further when attacking the .lds files.
> 
> It will be a week or two before I get at it.

Thanks a lot.
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