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-rw-r--r--include/linux/mm_types.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 2dd9c313a8c0..d3ebb9d21a53 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -116,6 +116,11 @@ struct page {
* Can be used as a generic list
* by the page owner.
*/
+ struct dev_pagemap *pgmap; /* ZONE_DEVICE pages are never on an
+ * lru or handled by a slab
+ * allocator, this points to the
+ * hosting device page map.
+ */
struct { /* slub per cpu partial pages */
struct page *next; /* Next partial slab */
#ifdef CONFIG_64BIT