From 108c3dc6cd3dbe36824469b7ea860337978e0439 Mon Sep 17 00:00:00 2001 From: ZhangPeng Date: Thu, 27 Jul 2023 09:16:12 +0800 Subject: [PATCH] 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/20230727011612.2721843-4-zhangpeng362@huawei.com Signed-off-by: ZhangPeng Reviewed-by: Alexander Potapenko Cc: Dmitry Vyukov Cc: Kefeng Wang Cc: Marco Elver Cc: Nanyong Sun Signed-off-by: Andrew Morton --- mm/kmsan/shadow.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/kmsan/shadow.c b/mm/kmsan/shadow.c index 9669942..87318f9 100644 --- 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) { -- 2.7.4