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[03/18] mm: use kmap_local_page in memzero_page

Message ID 20210615132456.753241-4-hch@lst.de (mailing list archive)
State Not Applicable
Headers show
Series [01/18] mm: add a kunmap_local_dirty helper | expand
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Context Check Description
snowpatch_ozlabs/apply_patch success Successfully applied on branch powerpc/merge (419dfbc3e05d80c5f6d6856534cd0a21c22c22de)
snowpatch_ozlabs/checkpatch success total: 0 errors, 0 warnings, 0 checks, 11 lines checked
snowpatch_ozlabs/needsstable success Patch has no Fixes tags

Commit Message

Christoph Hellwig June 15, 2021, 1:24 p.m. UTC 
No need for kmap_atomic here.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
---
 include/linux/highmem.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

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 */