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-rw-r--r--include/linux/mm_types.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index c85f11dafd56..d1b8e8f97fc2 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -48,8 +48,10 @@ struct page {
* inode address_space, or NULL.
* If page mapped as anonymous
* memory, low bit is set, and
- * it points to anon_vma object:
- * see PAGE_MAPPING_ANON below.
+ * it points to anon_vma object
+ * or KSM private structure. See
+ * PAGE_MAPPING_ANON and
+ * PAGE_MAPPING_KSM.
*/
void *s_mem; /* slab first object */
atomic_t compound_mapcount; /* first tail page */