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-rw-r--r--mm/percpu-km.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/mm/percpu-km.c b/mm/percpu-km.c
index 7037bc73bfa4..89633fefc6a2 100644
--- a/mm/percpu-km.c
+++ b/mm/percpu-km.c
@@ -35,7 +35,11 @@
static int pcpu_populate_chunk(struct pcpu_chunk *chunk, int off, int size)
{
- /* noop */
+ unsigned int cpu;
+
+ for_each_possible_cpu(cpu)
+ memset((void *)pcpu_chunk_addr(chunk, cpu, 0) + off, 0, size);
+
return 0;
}