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| author | Christoph Hellwig <hch@lst.de> | 2021-07-23 15:50:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-23 17:43:28 -0700 |
| commit | d9a42b53bdf7b0329dc09a59fc1b092640b6da19 (patch) | |
| tree | 0cb41491d2300e4d4ec455c597ed2d71a2bf70a8 | |
| parent | 8dad53a11f8d94dceb540a5f8f153484f42be84b (diff) | |
| download | linux-d9a42b53bdf7b0329dc09a59fc1b092640b6da19.tar.bz2 | |
mm: use kmap_local_page in memzero_page
The commit message introducing the global memzero_page explicitly
mentions switching to kmap_local_page in the commit log but doesn't
actually do that.
Link: https://lkml.kernel.org/r/20210713055231.137602-3-hch@lst.de
Fixes: 28961998f858 ("iov_iter: lift memzero_page() to highmem.h")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/highmem.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 8e7e50a53a12..d9a606a9fc64 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -324,10 +324,10 @@ 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); flush_dcache_page(page); - kunmap_atomic(addr); + kunmap_local(addr); } #endif /* _LINUX_HIGHMEM_H */ |