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Diffstat (limited to 'mm')
-rw-r--r--mm/hugetlb.c7
-rw-r--r--mm/vmstat.c4
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
};