mm: kmsan: use helper macros PAGE_ALIGN and PAGE_ALIGN_DOWN

Use helper macros PAGE_ALIGN and PAGE_ALIGN_DOWN to improve code readability. No functional modification involved. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: ZhangPeng <[email protected]> Reviewed-by: Alexander Potapenko <[email protected]> Cc: Dmitry Vyukov <[email protected]> Cc: Kefeng Wang <[email protected]> Cc: Marco Elver <[email protected]> Cc: Nanyong Sun <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
torvalds · Aug 21, 2023 · 108c3dc · 108c3dc
1 parent 4852a80
commit 108c3dc
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/mm/kmsan/shadow.c b/mm/kmsan/shadow.c
@@ -281,8 +281,8 @@ void __init kmsan_init_alloc_meta_for_range(void *start, void *end)
  struct page *page;
  u64 size;
 
- start = (void *)ALIGN_DOWN((u64)start, PAGE_SIZE);
- size = ALIGN((u64)end - (u64)start, PAGE_SIZE);
+ start = (void *)PAGE_ALIGN_DOWN((u64)start);
+ size = PAGE_ALIGN((u64)end - (u64)start);
  shadow = memblock_alloc(size, PAGE_SIZE);
  origin = memblock_alloc(size, PAGE_SIZE);
  for (u64 addr = 0; addr < size; addr += PAGE_SIZE) {