The quilt patch titled
Subject: mm: kmsan: use helper macro offset_in_page()
has been removed from the -mm tree. Its filename was
mm-kmsan-use-helper-macro-offset_in_page.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: ZhangPeng <zhangpeng362@xxxxxxxxxx>
Subject: mm: kmsan: use helper macro offset_in_page()
Date: Thu, 27 Jul 2023 09:16:11 +0800
Use helper macro offset_in_page() to improve code readability. No
functional modification involved.
Link: https://lkml.kernel.org/r/20230727011612.2721843-3-zhangpeng362@xxxxxxxxxx
Signed-off-by: ZhangPeng <zhangpeng362@xxxxxxxxxx>
Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Marco Elver <elver@xxxxxxxxxx>
Cc: Nanyong Sun <sunnanyong@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/kmsan/hooks.c | 2 +-
mm/kmsan/shadow.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/mm/kmsan/hooks.c~mm-kmsan-use-helper-macro-offset_in_page
+++ a/mm/kmsan/hooks.c
@@ -339,7 +339,7 @@ void kmsan_handle_dma(struct page *page,
* internal KMSAN checks.
*/
while (size > 0) {
- page_offset = addr % PAGE_SIZE;
+ page_offset = offset_in_page(addr);
to_go = min(PAGE_SIZE - page_offset, (u64)size);
kmsan_handle_dma_page((void *)addr, to_go, dir);
addr += to_go;
--- a/mm/kmsan/shadow.c~mm-kmsan-use-helper-macro-offset_in_page
+++ a/mm/kmsan/shadow.c
@@ -145,7 +145,7 @@ void *kmsan_get_metadata(void *address,
return NULL;
if (!page_has_metadata(page))
return NULL;
- off = addr % PAGE_SIZE;
+ off = offset_in_page(addr);
return (is_origin ? origin_ptr_for(page) : shadow_ptr_for(page)) + off;
}
_
Patches currently in -mm which might be from zhangpeng362@xxxxxxxxxx are
