3 files changed, 4 insertions, 4 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index fa651609b65..72a15dc26bb 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -73,7 +73,7 @@ extern unsigned int kobjsize(const void *objp);
 #endif
 
 /*
- * vm_flags..
+ * vm_flags in vm_area_struct, see mm_types.h.
  */
 #define VM_READ         0x00000001      /* currently active flags */
 #define VM_WRITE        0x00000002
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 386edbe2cb4..bf334138c7c 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -113,7 +113,7 @@ struct vm_area_struct {
         struct vm_area_struct *vm_next;
 
         pgprot_t vm_page_prot;          /* Access permissions of this VMA. */
-        unsigned long vm_flags;         /* Flags, listed below. */
+        unsigned long vm_flags;         /* Flags, see mm.h. */
 
         struct rb_node vm_rb;
 
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 364789aae9f..328eb402272 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -4,9 +4,9 @@
 #include <linux/spinlock.h>
 #include <asm/page.h>           /* pgprot_t */
 
-struct vm_area_struct;
+struct vm_area_struct;          /* vma defining user mapping in mm_types.h */
 
-/* bits in vm_struct->flags */
+/* bits in flags of vmalloc's vm_struct below */
 #define VM_IOREMAP      0x00000001      /* ioremap() and friends */
 #define VM_ALLOC        0x00000002      /* vmalloc() */
 #define VM_MAP          0x00000004      /* vmap()ed pages */