diff options
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/mm/memory.c b/mm/memory.c index 8012c1907895..8a7b4ccbe136 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3477,6 +3477,7 @@ int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma, set_pte_at(mm, addr, ptep, pte); update_mmu_cache(vma, addr, ptep); + count_vm_numa_event(NUMA_HINT_FAULTS); page = vm_normal_page(vma, addr, pte); if (!page) { pte_unmap_unlock(ptep, ptl); @@ -3485,6 +3486,8 @@ int do_numa_page(struct mm_struct *mm, struct vm_area_struct *vma, get_page(page); current_nid = page_to_nid(page); + if (current_nid == numa_node_id()) + count_vm_numa_event(NUMA_HINT_FAULTS_LOCAL); target_nid = mpol_misplaced(page, vma, addr); pte_unmap_unlock(ptep, ptl); if (target_nid == -1) { @@ -3517,6 +3520,9 @@ static int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long offset; spinlock_t *ptl; bool numa = false; + int local_nid = numa_node_id(); + unsigned long nr_faults = 0; + unsigned long nr_faults_local = 0; spin_lock(&mm->page_table_lock); pmd = *pmdp; @@ -3565,10 +3571,16 @@ static int do_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma, curr_nid = page_to_nid(page); task_numa_fault(curr_nid, 1); + nr_faults++; + if (curr_nid == local_nid) + nr_faults_local++; + pte = pte_offset_map_lock(mm, pmdp, addr, &ptl); } pte_unmap_unlock(orig_pte, ptl); + count_vm_numa_events(NUMA_HINT_FAULTS, nr_faults); + count_vm_numa_events(NUMA_HINT_FAULTS_LOCAL, nr_faults_local); return 0; } #else |