[PATCH 01/16] mm: use kmap_local_page in memzero_page
From: Christoph Hellwig <hch@lst.de>
Date: 2021-06-08 16:06:30
Also in:
ceph-devel, dm-devel, linux-mips, linuxppc-dev, lkml
Subsystem:
memory management - core, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
No need for kmap_atomic here. Signed-off-by: Christoph Hellwig <hch@lst.de> --- include/linux/highmem.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 832b49b50c7b..0dc0451cf1d1 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h@@ -334,9 +334,9 @@ static inline void memcpy_to_page(struct page *page, size_t offset, static inline void memzero_page(struct page *page, size_t offset, size_t len) { - char *addr = kmap_atomic(page); + char *addr = kmap_local_page(page); memset(addr + offset, 0, len); - kunmap_atomic(addr); + kunmap_local(addr); } #endif /* _LINUX_HIGHMEM_H */
--
2.30.2