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authorThomas Hellström <thomas.hellstrom@linux.intel.com>2024-04-12 15:14:25 +0200
committerThomas Hellström <thomas.hellstrom@linux.intel.com>2024-04-12 15:14:25 +0200
commit79790b6818e96c58fe2bffee1b418c16e64e7b80 (patch)
tree1b1f34807410ae05c17658c768f45f951e9420bc /include/linux/highmem.h
parent12f4b58a37f48a049893f1ae04b3fbb9b5088e8c (diff)
parent6e1f415e7129f7cd4c2394af83b35cdcdd40baf7 (diff)
Merge drm/drm-next into drm-xe-next
Backmerging drm-next in order to get up-to-date and in particular to access commit 9ca5facd0400f610f3f7f71aeb7fc0b949a48c67. Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
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)
{