From 5d7800d9cb9ad1cc98c414036f03cc029508d1c5 Mon Sep 17 00:00:00 2001 From: ZhangPeng Date: Thu, 27 Jul 2023 09:16:10 +0800 Subject: [PATCH] mm: kmsan: use helper function page_size() Patch series "minor cleanups for kmsan". Use helper function and macros to improve code readability. No functional modification involved. This patch (of 3): Use function page_size() to improve code readability. No functional modification involved. Link: https://lkml.kernel.org/r/20230727011612.2721843-1-zhangpeng362@huawei.com Link: https://lkml.kernel.org/r/20230727011612.2721843-2-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/hooks.c | 2 +- mm/kmsan/shadow.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/kmsan/hooks.c b/mm/kmsan/hooks.c index ec0da72e65aa..4e3c3e60ba97 100644 --- a/mm/kmsan/hooks.c +++ b/mm/kmsan/hooks.c @@ -117,7 +117,7 @@ void kmsan_kfree_large(const void *ptr) page = virt_to_head_page((void *)ptr); KMSAN_WARN_ON(ptr != page_address(page)); kmsan_internal_poison_memory((void *)ptr, - PAGE_SIZE << compound_order(page), + page_size(page), GFP_KERNEL, KMSAN_POISON_CHECK | KMSAN_POISON_FREE); kmsan_leave_runtime(); diff --git a/mm/kmsan/shadow.c b/mm/kmsan/shadow.c index b8bb95eea5e3..c7de991f6d7f 100644 --- a/mm/kmsan/shadow.c +++ b/mm/kmsan/shadow.c @@ -210,7 +210,7 @@ void kmsan_free_page(struct page *page, unsigned int order) return; kmsan_enter_runtime(); kmsan_internal_poison_memory(page_address(page), - PAGE_SIZE << compound_order(page), + page_size(page), GFP_KERNEL, KMSAN_POISON_CHECK | KMSAN_POISON_FREE); kmsan_leave_runtime();