diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/hugetlb.c | 7 | ||||
| -rw-r--r-- | mm/vmstat.c | 4 |
2 files changed, 11 insertions, 0 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 93ea46a0fba..8deae4eb969 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 879bcc0a1d4..4c21670f8d9 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 }; |