The quilt patch titled
Subject: mm: kmsan: use helper function page_size()
has been removed from the -mm tree. Its filename was
mm-kmsan-use-helper-function-page_size.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 function page_size()
Date: Thu, 27 Jul 2023 09:16:10 +0800
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@xxxxxxxxxx
Link: https://lkml.kernel.org/r/20230727011612.2721843-2-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-function-page_size
+++ a/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();
--- a/mm/kmsan/shadow.c~mm-kmsan-use-helper-function-page_size
+++ a/mm/kmsan/shadow.c
@@ -210,7 +210,7 @@ void kmsan_free_page(struct page *page,
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();
_
Patches currently in -mm which might be from zhangpeng362@xxxxxxxxxx are
