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-rw-r--r--mm/huge_memory.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index ee8133794a5..f3a477fffd0 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)