linux-kernel - Re: [PATCHSET percpu#for-next] percpu: convert ia64 to dynamic percpu and drop the old one, take#2

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Message-ID: <4AC153EA.2050007@suse.de>
Date:	Tue, 29 Sep 2009 09:25:14 +0900
From:	Tejun Heo <teheo@...e.de>
To:	Nick Piggin <npiggin@...e.de>, Tony Luck <tony.luck@...el.com>,
	Fenghua Yu <fenghua.yu@...el.com>,
	linux-ia64 <linux-ia64@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Christoph Lameter <cl@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCHSET percpu#for-next] percpu: convert ia64 to dynamic percpu
 and drop the old one, take#2

Tejun Heo wrote:
> Hello, all.
> 
> This is the second take of convert-ia64-to-dynamic-percpu patchset.
> Changes from the last take[L] are
> 
> * 0001 now updates ia64 to not define VMALLOC_END as a macro to
>   vmalloc_end instead of disallowing vmalloc_end as a variable name as
>   suggested by Christoph.
> 
> * 0002 added to initialize cpu maps early.  This is necessary to get
>   contig memory model working.
> 
> * 0004 updated so that dyn_size is calculated correctly for contig
>   model.
> 
> This patchset contains the following five patches.
> 
>  0001-ia64-don-t-alias-VMALLOC_END-to-vmalloc_end.patch
>  0002-ia64-initialize-cpu-maps-early.patch
>  0003-ia64-allocate-percpu-area-for-cpu0-like-percpu-areas.patch
>  0004-ia64-convert-to-dynamic-percpu-allocator.patch
>  0005-percpu-kill-legacy-percpu-allocator.patch
> 
> 0001 is misc prep to avoid macro / local variable collision.  0002
> makes ia64 arch code initialize cpu possible and present maps before
> memory initialization.  0003 makes ia64 allocate percpu area for cpu0
> in the same way it does for other cpus.  0004 converts ia64 to dynamic
> percpu allocator and 0005 drops now unused legacy allocator.
> 
> Contig memory model was tested on a 16p Tiger4 machine.  Discontig and
> sparse tested on 4-way SGI altix.  ski seems to be happy with contig
> up/smp.
> 
> This patchset is available in the following git tree.
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git convert-ia64
> 
> The new commit ID is dcc91f19c6662b24f1f4e5878d773244f1079724 and it's
> on top of today's Linus 7fa07729e439a6184bd824746d06a49cca553f15.

Tony, can you please ack ia64 part?

Thanks.

-- 
tejun
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