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[PATCH] do not free non slab allocated per_cpu_pageset
Stops panic associated with attempting to free a non slab-allocated per_cpu_pageset. Signed-off-by: David Rientjes <rientjes@cs.washington.edu> Acked-by: Christoph Lameter <clameter@sgi.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -1845,8 +1845,10 @@ static inline void free_zone_pagesets(int cpu)
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for_each_zone(zone) {
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for_each_zone(zone) {
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struct per_cpu_pageset *pset = zone_pcp(zone, cpu);
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struct per_cpu_pageset *pset = zone_pcp(zone, cpu);
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zone_pcp(zone, cpu) = NULL;
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/* Free per_cpu_pageset if it is slab allocated */
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if (pset != &boot_pageset[cpu])
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kfree(pset);
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kfree(pset);
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zone_pcp(zone, cpu) = NULL;
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}
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}
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}
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}
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