linux-kernel - Re: [GIT]: Make LMB code sharable with sparc64.

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Message-Id: <1202904758.6974.9.camel@concordia>
Date:	Wed, 13 Feb 2008 23:12:38 +1100
From:	Michael Ellerman <michael@...erman.id.au>
To:	David Miller <davem@...emloft.net>
Cc:	linuxppc-dev@...abs.org, sparclinux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [GIT]: Make LMB code sharable with sparc64.

On Wed, 2008-02-13 at 00:41 -0800, David Miller wrote:
> As I mentioned to a few ppc folks at LCA08 I plan to use
> the LMB code from powerpc as a basis for NUMA support on
> sparc64.
> 
> There are two changes.
> 
> 1) Move arch/powerpc/mm/lmb.c to lib/lmb.c, put the main
>    interface bits in include/linux/lmb.h, put arch-specific
>    bits in asm/lmb.h and add Kconfig machinery to build this
>    stuff on sparc64.
> 
> 2) Fix a bug in lmb_alloc() wherein the size was not aligned
>    so we could easily run out of reserve blocks because
>    every aligned allocation would create a tiny hole, and
>    secondly the lmb_reserve() call there did not have it's
>    return value checked.
> 
> Powerpc folks, if there are no objections please pull, thanks!

Looks like there are a few places (in arch/powerpc) that were getting
asm/prom.h via asm/lmb.h, I'll send a patch in the morning.

cheers

arch/powerpc/mm/numa.c:124: error: implicit declaration of function 'of_find_node_by_type'

arch/powerpc/platforms/ps3/os-area.c:215: error: variable 'property_rtc_diff' has initializer but incomplete type

-- 
Michael Ellerman
OzLabs, IBM Australia Development Lab

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person

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