diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/huge_memory.c | 5 | ||||
| -rw-r--r-- | mm/vmstat.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index d89220c..9a5d45d 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 c737057..5da4b19 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 */ |
