[Patch] statistics: fix cpu hot unplug related memory leak

[Martin Peschke <mp3@de.ibm.com>]

In case of CPU hotunplug statistics might have leaked some memory
(lists of struct statistic_entry_sparse, about 32 byte each, freed
by statistic_sparse_reset()).

Patch is against 2.6.21-rc6-mm1.

Signed-off-by: Martin Peschke <mp3@de.ibm.com>
---

 statistic.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux/lib/statistic.c
===================================================================
--- linux.orig/lib/statistic.c
+++ linux/lib/statistic.c
@@ -308,6 +308,7 @@ static int _statistic_hotcpu(struct stat
 		src = percpu_ptr(stat->data, cpu);
 		disc->merge(stat, dst, src);
 		local_irq_restore(flags);
+		disc->reset(stat, src);
 		percpu_depopulate(stat->data, cpu);
 		break;
 	}


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