Re: [PATCH] x86: update to place .data section on a page boundary

From: Sam Ravnborg
Date: Thu Sep 28 2006 - 16:42:52 EST

On Thu, Sep 28, 2006 at 04:12:49PM -0400, Neil Horman wrote:
> Patch to update vmlinux linker script so that .data section is on a page
> boundary. without this change the kernel's .data section is on a non-4k
> boundary, and this prevents kexec from loading a new kernel. Tested
> successfully by me.

> + . = ALIGN(4096);

Do not use magic numbers like this.
Please replace 4096 with PAGE_SIZE - page.h is already included so it is
This servers two purposes:
1) This make it more self documenting
2) It makes it more portable should we decide to do this in a general
way for all arch's.

And then maybe a comment why it is desireable to waste a lot of RAM
in some cases. For the embedded people wasting up to 4088 bytes
of RAM is not desireable.

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