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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>
This commit is contained in:
ZhangPeng 2023-07-27 09:16:10 +08:00 committed by Andrew Morton
parent 6e412203ee
commit 5d7800d9cb
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
mm/kmsan/hooks.c
View File

@ -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();

2
mm/kmsan/shadow.c
View File

@ -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();