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(parent: e171fc5) | patch
powerpc/numa: Check for all VPHN changes
authorAnton Blanchard <anton@samba.org>
Sat, 29 Jan 2011 12:26:19 +0000 (12:26 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 7 Feb 2011 02:06:01 +0000 (13:06 +1100)
commit8826f8f0cee6be693936e5d91aeabf6e31c9f5d5
tree8b94f0000312fc3295e28b3d3a0c25074b62c71ftree | snapshot
parente171fc5ee48044db3733980621100efb0c5296f5commit | diff
powerpc/numa: Check for all VPHN changes

The hypervisor uses unsigned 1 byte counters to signal topology changes to
the OS. Since they can wrap we need to check for any difference, not just if
the hypervisor count is greater than the previous count.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
arch/powerpc/mm/numa.c diff | blob | history
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