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authorZhangPeng <zhangpeng362@huawei.com>2023-07-27 04:16:10 +0300
committerAndrew Morton <akpm@linux-foundation.org>2023-08-21 23:37:29 +0300
commit5d7800d9cb9ad1cc98c414036f03cc029508d1c5 (patch)
tree38269f70354cca432a4172ce4efc73a8012f73be
parent6e412203eeae68b599fb0a0722961e68f90322df (diff)
downloadlinux-5d7800d9cb9ad1cc98c414036f03cc029508d1c5.tar.xz
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 <zhangpeng362@huawei.com> Reviewed-by: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Kefeng Wang <wangkefeng.wang@huawei.com> Cc: Marco Elver <elver@google.com> Cc: Nanyong Sun <sunnanyong@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r--mm/kmsan/hooks.c2
-rw-r--r--mm/kmsan/shadow.c2
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();