linux-kernel - Re: [RFC][PATCH 2/9] conditionally define generic get_order() (ARCH_HAS_GET

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Date:	Thu, 31 Aug 2006 12:51:23 -0700
From:	Dave Hansen <haveblue@...ibm.com>
To:	Haavard Skinnemoen <hskinnemoen@...il.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-ia64@...r.kernel.org
Subject: Re: [RFC][PATCH 2/9] conditionally define generic get_order()
	(ARCH_HAS_GET_ORDER)

On Thu, 2006-08-31 at 20:41 +0200, Haavard Skinnemoen wrote:
> On 8/31/06, Dave Hansen <haveblue@...ibm.com> wrote:
> > diff -puN mm/Kconfig~generic-get_order mm/Kconfig
> > --- threadalloc/mm/Kconfig~generic-get_order    2006-08-30 15:14:56.000000000 -0700
> > +++ threadalloc-dave/mm/Kconfig 2006-08-30 15:15:00.000000000 -0700
> > @@ -1,3 +1,7 @@
> > +config ARCH_HAVE_GET_ORDER
> > +       def_bool y
> > +       depends on IA64 || PPC32 || XTENSA
> > +
> 
> I have a feeling this has been discussed before, but wouldn't it be
> better to let each architecture define this in its own Kconfig?

As long as the conditions are simple, I think it would be nice to keep
it this way.  It makes it pretty obvious to tell what is going on from
_one_ place.  

> At some point, I have to add AVR32 to that list, and if one or more
> other architectures need to do the same, there will be rejects.

True, there will be rejects.  But, do you think they will actually take
more than a moment to merge?

-- Dave

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