DIV_ROUND_UP has implemented the code-opened function. Therefore, just replace the implementation with DIV_ROUND_UP.
Signed-off-by: zhong jiang <zhongji...@huawei.com> --- include/linux/radix-tree.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h index 34149e8..2e507c6 100644 --- a/include/linux/radix-tree.h +++ b/include/linux/radix-tree.h @@ -75,7 +75,7 @@ static inline bool radix_tree_is_internal_node(void *ptr) #define RADIX_TREE_MAP_MASK (RADIX_TREE_MAP_SIZE-1) #define RADIX_TREE_TAG_LONGS \ - ((RADIX_TREE_MAP_SIZE + BITS_PER_LONG - 1) / BITS_PER_LONG) + DIV_ROUND_UP(RADIX_TREE_MAP_SIZE, BITS_PER_LONG) #define RADIX_TREE_INDEX_BITS (8 /* CHAR_BIT */ * sizeof(unsigned long)) #define RADIX_TREE_MAX_PATH (DIV_ROUND_UP(RADIX_TREE_INDEX_BITS, \ -- 1.7.12.4
