* chunk size is not aligned. percpu-km code will whine about it.
*/
-#ifdef CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK
+#if defined(CONFIG_SMP) && defined(CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK)
#error "contiguous percpu allocation is incompatible with paged first chunk"
#endif
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;
}