3 files changed, 15 insertions, 0 deletions

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index e726b6d46495..e83b69346d23 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -25,6 +25,7 @@
 #define HIGHMEM_ZONE(xx)
 #endif
 
+
 #define FOR_ALL_ZONES(xx) DMA_ZONE(xx) DMA32_ZONE(xx) xx##_NORMAL HIGHMEM_ZONE(xx) , xx##_MOVABLE
 
 enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
@@ -37,6 +38,9 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
                 FOR_ALL_ZONES(PGSCAN_DIRECT),
                 PGINODESTEAL, SLABS_SCANNED, KSWAPD_STEAL, KSWAPD_INODESTEAL,
                 PAGEOUTRUN, ALLOCSTALL, PGROTATED,
+#ifdef CONFIG_HUGETLB_PAGE
+                HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
+#endif
                 NR_VM_EVENT_ITEMS
 };
 
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 93ea46a0fba4..8deae4eb9696 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -242,6 +242,11 @@ static int alloc_fresh_huge_page(void)
                 hugetlb_next_nid = next_nid;
         } while (!page && hugetlb_next_nid != start_nid);
 
+        if (ret)
+                count_vm_event(HTLB_BUDDY_PGALLOC);
+        else
+                count_vm_event(HTLB_BUDDY_PGALLOC_FAIL);
+
         return ret;
 }
 
@@ -302,9 +307,11 @@ static struct page *alloc_buddy_huge_page(struct vm_area_struct *vma,
                  */
                 nr_huge_pages_node[nid]++;
                 surplus_huge_pages_node[nid]++;
+                __count_vm_event(HTLB_BUDDY_PGALLOC);
         } else {
                 nr_huge_pages--;
                 surplus_huge_pages--;
+                __count_vm_event(HTLB_BUDDY_PGALLOC_FAIL);
         }
         spin_unlock(&hugetlb_lock);
 
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 879bcc0a1d4c..4c21670f8d91 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -645,6 +645,10 @@ static const char * const vmstat_text[] = {
         "allocstall",
 
         "pgrotated",
+#ifdef CONFIG_HUGETLB_PAGE
+        "htlb_buddy_alloc_success",
+        "htlb_buddy_alloc_fail",
+#endif
 #endif
 };