[PATCH 03/18] mm: use kmap_local_page in memzero_page
From: Christoph Hellwig <hch@lst.de>
Date: 2021-06-15 13:27:06
Also in:
ceph-devel, dm-devel, linux-block, 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> Reviewed-by: Chaitanya Kulkarni <redacted> Reviewed-by: Ira Weiny <ira.weiny@intel.com> --- 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 d0497c0daf80..d3df0e2db44f 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h@@ -338,9 +338,9 @@ 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_dirty(page, addr); } #endif /* _LINUX_HIGHMEM_H */
--
2.30.2