diff options
-rw-r--r-- | mm/sparse.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/sparse.c b/mm/sparse.c index 46e88549d1a6..de40b2c73406 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -560,6 +560,8 @@ void __init sparse_init(void) unsigned long pnum_end, pnum_begin, map_count = 1; int nid_begin; + /* see include/linux/mmzone.h 'struct mem_section' definition */ + BUILD_BUG_ON(!is_power_of_2(sizeof(struct mem_section))); memblocks_present(); pnum_begin = first_present_section_nr(); |