Andi Kleen 443c6f145d SYSCTL: Add a mutex to the page_alloc zone order sysctl ...

The zone list code clearly cannot tolerate concurrent writers (I couldn't
find any locks for that), so simply add a global mutex. No need for RCU
in this case.

Signed-off-by: Andi Kleen <ak@linux.intel.com>

2009-12-23 21:01:16 +01:00

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