Re: [PATCH] sparc64: Use node local allocations for IRQ stacks.

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From: David Miller <davem@xxxxxxxxxxxxx>
Date: Fri, 27 Apr 2012 13:34:07 -0400 (EDT)

> From: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Date: Fri, 27 Apr 2012 19:27:50 +0200
> 
>> This assignment looks redundant. I cannot see any uses of max_mapnr
>> in the kernel (which is relevant for sparc64).
> 
> pfn_valid() via asm-generic/page.h

Actually this isn't right.  We don't use asm-generic/page.h on
sparc64.

We get the pfn_valid() definition instead from linux/mmzone.h which
doesn't make use of max_mapnr.

So yes we can remove this assignment and I will do so in the sparc-next
tree, thanks!
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