提交 f3ef9ead 编写于 作者: D David Rientjes 提交者: Linus Torvalds

[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: NDavid Rientjes <rientjes@cs.washington.edu>
Acked-by: NChristoph Lameter <clameter@sgi.com>
Cc: <stable@kernel.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 24fd425e
...@@ -1845,8 +1845,10 @@ static inline void free_zone_pagesets(int cpu) ...@@ -1845,8 +1845,10 @@ static inline void free_zone_pagesets(int cpu)
for_each_zone(zone) { for_each_zone(zone) {
struct per_cpu_pageset *pset = zone_pcp(zone, cpu); struct per_cpu_pageset *pset = zone_pcp(zone, cpu);
/* Free per_cpu_pageset if it is slab allocated */
if (pset != &boot_pageset[cpu])
kfree(pset);
zone_pcp(zone, cpu) = NULL; zone_pcp(zone, cpu) = NULL;
kfree(pset);
} }
} }
......
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