Re: [PATCH 04/25] sparc: Preemptible mmu_gather

From: David Miller
Date: Tue Jan 25 2011 - 15:29:42 EST


From: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Date: Tue, 25 Jan 2011 18:31:15 +0100

> Rework the sparc mmu_gather usage to conform to the new world order :-)
>
> Sparc mmu_gather does two things:
> - tracks vaddrs to unhash
> - tracks pages to free
>
> Split these two things like powerpc has done and keep the vaddrs
> in per-cpu data structures and flush them on context switch.
>
> The remaining bits can then use the generic mmu_gather.
>
> Cc: David Miller <davem@xxxxxxxxxxxxx>
> Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>

Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
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