In commit 48fce3429df84a94766fbbc845fa8450d0715b48 get_vma_policy() was
marked static as all clients were local to mempolicy.c.
However, the decision to generate /proc/pid/numa_maps in the numa memory
policy code and outside the procfs subsystem introduces an artificial
interdependency between the two systems. Exporting get_vma_policy()
once again is the first step to clean up this interdependency.
Signed-off-by: Stephen Wilson <wilsons@xxxxxxxx>
---
include/linux/mempolicy.h | 3 +++
mm/mempolicy.c | 2 +-
2 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 31ac26c..c2f6032 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -199,6 +199,9 @@ void mpol_free_shared_policy(struct shared_policy *p);
struct mempolicy *mpol_shared_policy_lookup(struct shared_policy *sp,
unsigned long idx);
+struct mempolicy *get_vma_policy(struct task_struct *tsk,
+ struct vm_area_struct *vma, unsigned long addr);
+
extern void numa_default_policy(void);
extern void numa_policy_init(void);
extern void mpol_rebind_task(struct task_struct *tsk, const nodemask_t *new,
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 959a8b8..5bfb03e 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1489,7 +1489,7 @@ asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len,
* freeing by another task. It is the caller's responsibility to free the
* extra reference for shared policies.
*/
-static struct mempolicy *get_vma_policy(struct task_struct *task,
+struct mempolicy *get_vma_policy(struct task_struct *task,
struct vm_area_struct *vma, unsigned long addr)
{
struct mempolicy *pol = task->mempolicy;
--
1.7.3.5
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