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Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c12
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