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-rw-r--r--mm/huge_memory.c5
-rw-r--r--mm/vmstat.c2
2 files changed, 6 insertions, 1 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index d89220cb1d9f..9a5d45dfad44 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -184,8 +184,11 @@ retry:
zero_page = alloc_pages((GFP_TRANSHUGE | __GFP_ZERO) & ~__GFP_MOVABLE,
HPAGE_PMD_ORDER);
- if (!zero_page)
+ if (!zero_page) {
+ count_vm_event(THP_ZERO_PAGE_ALLOC_FAILED);
return 0;
+ }
+ count_vm_event(THP_ZERO_PAGE_ALLOC);
preempt_disable();
if (cmpxchg(&huge_zero_pfn, 0, page_to_pfn(zero_page))) {
preempt_enable();
diff --git a/mm/vmstat.c b/mm/vmstat.c
index c7370579111b..5da4b19023c3 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -801,6 +801,8 @@ const char * const vmstat_text[] = {
"thp_collapse_alloc",
"thp_collapse_alloc_failed",
"thp_split",
+ "thp_zero_page_alloc",
+ "thp_zero_page_alloc_failed",
#endif
#endif /* CONFIG_VM_EVENTS_COUNTERS */