linux-kernel - Re: [PATCH 05/14] all-archs: consolidate .data section definition in asm-generic

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Message-Id: <20070518.001604.23011298.davem@davemloft.net>
Date:	Fri, 18 May 2007 00:16:04 -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 08:52:57 +0200

> >From 653bc43c6c2c292e6abc98860fd241eb12e2c80f Mon Sep 17 00:00:00 2001
> From: Sam Ravnborg <sam@...nborg.org>
> Date: Thu, 17 May 2007 13:38:44 +0200
> Subject: [PATCH 05/14] all-archs: consolidate .data section definition in asm-generic
> 
> With this consolidation we can now modify the .data
> section definition in one spot for all archs.
> 
> Signed-off-by: Sam Ravnborg <sam@...nborg.org>

Thanks for doing these kinds of consolidations Sam, most of
us arch maintainers really appreciate it.

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?

If you could take care of this I'd really appreciate it.
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