[patch -mm 3/4] mempolicy: small header file cleanup

[David Rientjes]

Removes forward definition of vm_area_struct in linux/mempolicy.h.  We
already get it from the linux/slab.h -> linux/gfp.h include.

Removes the unused mpol_set_vma_default() macro from linux/mempolicy.h.

Removes the extern definition of default_policy since it is only
referenced, as it should be, in mm/mempolicy.c.

Cc: Paul Jackson <pj@xxxxxxx>
Cc: Christoph Lameter <clameter@xxxxxxx>
Cc: Lee Schermerhorn <Lee.Schermerhorn@xxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
---
 include/linux/mempolicy.h |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)

diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -52,7 +52,6 @@ enum {
 #include <linux/spinlock.h>
 #include <linux/nodemask.h>
 
-struct vm_area_struct;
 struct mm_struct;
 
 #ifdef CONFIG_NUMA
@@ -129,10 +128,6 @@ static inline int mpol_equal(struct mempolicy *a, struct mempolicy *b)
 	return __mpol_equal(a, b);
 }
 
-/* Could later add inheritance of the process policy here. */
-
-#define mpol_set_vma_default(vma) ((vma)->vm_policy = NULL)
-
 /*
  * Tree of shared policies for a shared memory region.
  * Maintain the policies in a pseudo mm that contains vmas. The vmas
@@ -168,7 +163,6 @@ extern void mpol_rebind_task(struct task_struct *tsk,
 extern void mpol_rebind_mm(struct mm_struct *mm, nodemask_t *new);
 extern void mpol_fix_fork_child_flag(struct task_struct *p);
 
-extern struct mempolicy default_policy;
 extern struct zonelist *huge_zonelist(struct vm_area_struct *vma,
 		unsigned long addr, gfp_t gfp_flags, struct mempolicy **mpol);
 extern unsigned slab_node(struct mempolicy *policy);
@@ -193,8 +187,6 @@ static inline int mpol_equal(struct mempolicy *a, struct mempolicy *b)
 	return 1;
 }
 
-#define mpol_set_vma_default(vma) do {} while(0)
-
 static inline void mpol_free(struct mempolicy *p)
 {
 }
--
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