Re: [RFC] [PATCH 2/16] x86_64: Assembly safe page.h and pgtable.h

[Eric W. Biederman]

Andi Kleen <ak@xxxxxxx> writes:

> On Monday 13 November 2006 17:28, Vivek Goyal wrote:
>> 
>> This patch makes pgtable.h and page.h safe to include
>> in assembly files like head.S.  Allowing us to use
>> symbolic constants instead of hard coded numbers when
>> refering to the page tables.
>
> Hmm, I think the ULs are probably not needed anyways. What
> happens when you just drop them even for C? You shouldn't get any 
> new warnings i hope.

I don't remember the details anymore but there were problems when I
tried by just removing the suffixes.  I think they were
no warnings or possibly promotion problems.

Using _AC is just about as simple as dropping the suffix
and much more maintainable then maintaining multiple definitions.

Eric
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