percpu-km could only be selected by NEED_PER_CPU_KM which depends on !SMP, so CONFIG_SMP will be false when choose percpu-km. Signed-off-by: Peng Fan <peng.fan@xxxxxxx> --- mm/percpu-km.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/percpu-km.c b/mm/percpu-km.c index 0f643dc2dc65..66e5598be876 100644 --- a/mm/percpu-km.c +++ b/mm/percpu-km.c @@ -27,7 +27,7 @@ * chunk size is not aligned. percpu-km code will whine about it. */ -#if defined(CONFIG_SMP) && defined(CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK) +#if defined(CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK) #error "contiguous percpu allocation is incompatible with paged first chunk" #endif -- 2.16.4
