Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

[platform/adaptation/renesas_rcar/renesas_kernel.git] / mm / sparse.c

diff --git a/mm/sparse.c b/mm/sparse.c
index 9ac2f74..b38400f 100644 (file)
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -480,6 +480,9 @@ void __init sparse_init(void)
        struct page **map_map;
 #endif
 
+       /* see include/linux/mmzone.h 'struct mem_section' definition */
+       BUILD_BUG_ON(!is_power_of_2(sizeof(struct mem_section)));
+
        /* Setup pageblock_order for HUGETLB_PAGE_SIZE_VARIABLE */
        set_pageblock_order();