sched/numa: Adjust scan rate in task_numa_placement

[deliverable/linux.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index 823720c43ea9364f98c5fffeec27e867e2b00133..1c7501f7fb1aa3bb827a35e4a193f8ed4251a32d 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3527,13 +3527,16 @@ static int do_nonlinear_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 }
 
 int numa_migrate_prep(struct page *page, struct vm_area_struct *vma,
-                               unsigned long addr, int page_nid)
+                               unsigned long addr, int page_nid,
+                               int *flags)
 {
        get_page(page);
 
        count_vm_numa_event(NUMA_HINT_FAULTS);
-       if (page_nid == numa_node_id())
+       if (page_nid == numa_node_id()) {
                count_vm_numa_event(NUMA_HINT_FAULTS_LOCAL);
+               *flags |= TNF_FAULT_LOCAL;
+       }
 
        return mpol_misplaced(page, vma, addr);
 }
@@ -3593,7 +3596,7 @@ int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma,
 
        last_cpupid = page_cpupid_last(page);
        page_nid = page_to_nid(page);
-       target_nid = numa_migrate_prep(page, vma, addr, page_nid);
+       target_nid = numa_migrate_prep(page, vma, addr, page_nid, &flags);
        pte_unmap_unlock(ptep, ptl);
        if (target_nid == -1) {
                put_page(page);