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-rw-r--r--init/main.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/init/main.c b/init/main.c
index 9cf6b307bfd7..2714e0e7cfec 100644
--- a/init/main.c
+++ b/init/main.c
@@ -325,7 +325,7 @@ static inline void smp_prepare_cpus(unsigned int maxcpus) { }
#else
#ifdef __GENERIC_PER_CPU
-unsigned long __per_cpu_offset[NR_CPUS];
+unsigned long __per_cpu_offset[NR_CPUS] __read_mostly;
EXPORT_SYMBOL(__per_cpu_offset);
@@ -343,11 +343,7 @@ static void __init setup_per_cpu_areas(void)
#endif
ptr = alloc_bootmem(size * nr_possible_cpus);
- for (i = 0; i < NR_CPUS; i++) {
- if (!cpu_possible(i)) {
- __per_cpu_offset[i] = (char*)0 - __per_cpu_start;
- continue;
- }
+ for_each_cpu(i) {
__per_cpu_offset[i] = ptr - __per_cpu_start;
memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
ptr += size;
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