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authorMatthew Wilcox (Oracle) <willy@infradead.org>2024-01-24 21:12:15 +0300
committerAndrew Morton <akpm@linux-foundation.org>2024-02-22 21:24:41 +0300
commit9af47276ed83cc346263e56243756543a2a33c9d (patch)
tree3fbf345a3c4e99683dd9ee6d2eb72c204424aea8 /include/linux/highmem.h
parent73954d379efd176e9b011142c55aa8da93ac740a (diff)
downloadlinux-9af47276ed83cc346263e56243756543a2a33c9d.tar.xz
highmem: add kernel-doc for memcpy_*_folio()
This was inadvertently skipped when adding the new functions. Link: https://lkml.kernel.org/r/20240124181217.1761674-1-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/highmem.h')
-rw-r--r--include/linux/highmem.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 451c1dff0e87..00341b56d291 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -439,6 +439,13 @@ static inline void memzero_page(struct page *page, size_t offset, size_t len)
kunmap_local(addr);
}
+/**
+ * memcpy_from_folio - Copy a range of bytes from a folio.
+ * @to: The memory to copy to.
+ * @folio: The folio to read from.
+ * @offset: The first byte in the folio to read.
+ * @len: The number of bytes to copy.
+ */
static inline void memcpy_from_folio(char *to, struct folio *folio,
size_t offset, size_t len)
{
@@ -460,6 +467,13 @@ static inline void memcpy_from_folio(char *to, struct folio *folio,
} while (len > 0);
}
+/**
+ * memcpy_to_folio - Copy a range of bytes to a folio.
+ * @folio: The folio to write to.
+ * @offset: The first byte in the folio to store to.
+ * @from: The memory to copy from.
+ * @len: The number of bytes to copy.
+ */
static inline void memcpy_to_folio(struct folio *folio, size_t offset,
const char *from, size_t len)
{