From 849ad04cf562ac63b0371a825eed473d84de9c6d Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 7 Mar 2023 01:50:53 -0500
Subject: [PATCH] new helper: put_and_unmap_page()
kunmap_local() + put_page(), as done by e.g. ext2 directory handling.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
include/linux/highmem.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index b06254e76d99a..8fc10089e19e8 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -481,4 +481,10 @@ static inline void folio_zero_range(struct folio *folio,
zero_user_segments(&folio->page, start, start + length, 0, 0);
}
+static inline void put_and_unmap_page(struct page *page, void *addr)
+{
+ kunmap_local(addr);
+ put_page(page);
+}
+
#endif /* _LINUX_HIGHMEM_H */