It's more readable to use helper macro BITS_PER_LONG and BITS_PER_BYTE.
No functional change intended.
Signed-off-by: Miaohe Lin <[email protected]>
---
v2:
use BITS_PER_BYTE per Mike. Thanks.
---
mm/mm_init.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/mm/mm_init.c b/mm/mm_init.c
index 66aca3f6accd..93b1febd4a32 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -79,7 +79,7 @@ void __init mminit_verify_pageflags_layout(void)
int shift, width;
unsigned long or_mask, add_mask;
- shift = 8 * sizeof(unsigned long);
+ shift = BITS_PER_LONG;
width = shift - SECTIONS_WIDTH - NODES_WIDTH - ZONES_WIDTH
- LAST_CPUPID_SHIFT - KASAN_TAG_WIDTH - LRU_GEN_WIDTH - LRU_REFS_WIDTH;
mminit_dprintk(MMINIT_TRACE, "pageflags_layout_widths",
@@ -1431,9 +1431,9 @@ static unsigned long __init usemap_size(unsigned long zone_start_pfn, unsigned l
usemapsize = roundup(zonesize, pageblock_nr_pages);
usemapsize = usemapsize >> pageblock_order;
usemapsize *= NR_PAGEBLOCK_BITS;
- usemapsize = roundup(usemapsize, 8 * sizeof(unsigned long));
+ usemapsize = roundup(usemapsize, BITS_PER_LONG);
- return usemapsize / 8;
+ return usemapsize / BITS_PER_BYTE;
}
static void __ref setup_usemap(struct zone *zone)
--
2.33.0