The patch titled
mm: export get_vma_policy()
has been added to the -mm tree. Its filename is
mm-export-get_vma_policy.patch
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------------------------------------------------------
Subject: mm: export get_vma_policy()
From: Stephen Wilson <wilsons@xxxxxxxx>
In commit 48fce3429d ("mempolicies: unexport get_vma_policy()")
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>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Lee Schermerhorn <lee.schermerhorn@xxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mempolicy.h | 3 +++
mm/mempolicy.c | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)
diff -puN include/linux/mempolicy.h~mm-export-get_vma_policy include/linux/mempolicy.h
--- a/include/linux/mempolicy.h~mm-export-get_vma_policy
+++ a/include/linux/mempolicy.h
@@ -199,6 +199,9 @@ void mpol_free_shared_policy(struct shar
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 -puN mm/mempolicy.c~mm-export-get_vma_policy mm/mempolicy.c
--- a/mm/mempolicy.c~mm-export-get_vma_policy
+++ a/mm/mempolicy.c
@@ -1489,7 +1489,7 @@ asmlinkage long compat_sys_mbind(compat_
* 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;
_
Patches currently in -mm which might be from wilsons@xxxxxxxx are
mm-export-get_vma_policy.patch
mm-use-walk_page_range-instead-of-custom-page-table-walking-code.patch
mm-remove-mpol_mf_stats.patch
mm-make-gather_stats-type-safe-and-remove-forward-declaration.patch
mm-remove-check_huge_range.patch
mm-declare-mpol_to_str-when-config_tmpfs=n.patch
mm-proc-move-show_numa_map-to-fs-proc-task_mmuc.patch
proc-make-struct-proc_maps_private-truly-private.patch
proc-allocate-storage-for-numa_maps-statistics-once.patch
proc-put-check_mem_permission-after-__get_free_page-in-mem_write.patch
proc-fix-pagemap_read-error-case.patch
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