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powerpc: Fix ppc32 mm_struct CPU tracking in SMP
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 27 Nov 2008 20:05:05 +0000 (20:05 +0000)
committerPaul Mackerras <paulus@samba.org>
Wed, 3 Dec 2008 09:46:35 +0000 (20:46 +1100)
The 32-bit hash code didn't need it so far so we don't update
mm->cpu_vm_mask on context switch.  This however will break when we
merge the RCU based page table freeing patch and other upcoming 32-bit
embedded SMP work, so this adds the update.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

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