cpu: use ROUND_UP() to define xxx_PAGE_ALIGN

Use ROUND_UP() to define, which is a little bit easy to read.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <20191013021145.16011-2-richardw.yang@linux.intel.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index ad9ab85eb3f6fd43e454b208c617139acdb0a1f2..255bb186acda859b8051b60356b66883b8fce1f9 100644 (file)
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -220,7 +220,7 @@ extern int target_page_bits;
 
 #define TARGET_PAGE_SIZE (1 << TARGET_PAGE_BITS)
 #define TARGET_PAGE_MASK ~(TARGET_PAGE_SIZE - 1)
-#define TARGET_PAGE_ALIGN(addr) (((addr) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK)
+#define TARGET_PAGE_ALIGN(addr) ROUND_UP((addr), TARGET_PAGE_SIZE)
 
 /* Using intptr_t ensures that qemu_*_page_mask is sign-extended even
  * when intptr_t is 32-bit and we are aligning a long long.
@@ -228,9 +228,8 @@ extern int target_page_bits;
 extern uintptr_t qemu_host_page_size;
 extern intptr_t qemu_host_page_mask;
 
-#define HOST_PAGE_ALIGN(addr) (((addr) + qemu_host_page_size - 1) & qemu_host_page_mask)
-#define REAL_HOST_PAGE_ALIGN(addr) (((addr) + qemu_real_host_page_size - 1) & \
-                                    qemu_real_host_page_mask)
+#define HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_host_page_size)
+#define REAL_HOST_PAGE_ALIGN(addr) ROUND_UP((addr), qemu_real_host_page_size)
 
 /* same as PROT_xxx */
 #define PAGE_READ      0x0001