DIV_ROUND_UP has implemented the code-opened function. Therefore, just replace the implementation with DIV_ROUND_UP. Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx> --- drivers/block/xen-blkback/common.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index 1d3002d..874613d 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -65,7 +65,7 @@ (XEN_PAGES_PER_INDIRECT_FRAME / XEN_PAGES_PER_SEGMENT) #define MAX_INDIRECT_PAGES \ - ((MAX_INDIRECT_SEGMENTS + SEGS_PER_INDIRECT_FRAME - 1)/SEGS_PER_INDIRECT_FRAME) + DIV_ROUND_UP(MAX_INDIRECT_SEGMENTS, SEGS_PER_INDIRECT_FRAME) #define INDIRECT_PAGES(_segs) DIV_ROUND_UP(_segs, XEN_PAGES_PER_INDIRECT_FRAME) /* Not a real protocol. Used to generate ring structs which contain -- 1.7.12.4
