diff options
Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r-- | mm/huge_memory.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index ee8133794a56..f3a477fffd09 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1026,6 +1026,7 @@ int do_huge_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma, struct page *page = NULL; unsigned long haddr = addr & HPAGE_PMD_MASK; int target_nid; + int current_nid = -1; spin_lock(&mm->page_table_lock); if (unlikely(!pmd_same(pmd, *pmdp))) @@ -1034,6 +1035,10 @@ int do_huge_pmd_numa_page(struct mm_struct *mm, struct vm_area_struct *vma, page = pmd_page(pmd); get_page(page); spin_unlock(&mm->page_table_lock); + current_nid = page_to_nid(page); + count_vm_numa_event(NUMA_HINT_FAULTS); + if (current_nid == numa_node_id()) + count_vm_numa_event(NUMA_HINT_FAULTS_LOCAL); target_nid = mpol_misplaced(page, vma, haddr); if (target_nid == -1) |