---

yaml --- r: 338757 b: refs/heads/master c: e4c6bfd h: refs/heads/master i: 338755: 3c93dd5 v: v3
git-mirror · Dec 12, 2012 · 3a0aa1d · 3a0aa1d
1 parent bbd2b9a
commit 3a0aa1d
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Showing 2 changed files with 9 additions and 5 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5a0768f641a5bad844860e67250baf0d1aa5e03c
+refs/heads/master: e4c6bfd2d79d063017ab19a18915f0bc759f32d9
diff --git a/trunk/include/linux/mm_types.h b/trunk/include/linux/mm_types.h
@@ -224,17 +224,15 @@ struct vm_region {
  * library, the executable area etc).
  */
 struct vm_area_struct {
-	struct mm_struct * vm_mm;	/* The address space we belong to. */
+	/* The first cache line has the info for VMA tree walking. */
+
 	unsigned long vm_start;		/* Our start address within vm_mm. */
 	unsigned long vm_end;		/* The first byte after our end address
 					   within vm_mm. */
 
 	/* linked list of VM areas per task, sorted by address */
 	struct vm_area_struct *vm_next, *vm_prev;
 
-	pgprot_t vm_page_prot;		/* Access permissions of this VMA. */
-	unsigned long vm_flags;		/* Flags, see mm.h. */
-
 	struct rb_node vm_rb;
 
 	/*
@@ -245,6 +243,12 @@ struct vm_area_struct {
 	 */
 	unsigned long rb_subtree_gap;
 
+	/* Second cache line starts here. */
+
+	struct mm_struct *vm_mm;	/* The address space we belong to. */
+	pgprot_t vm_page_prot;		/* Access permissions of this VMA. */
+	unsigned long vm_flags;		/* Flags, see mm.h. */
+
 	/*
 	 * For areas with an address space and backing store,
 	 * linkage into the address_space->i_mmap interval tree, or