mm, hugetlb: include hugepages in meminfo

[~andy/linux] / mm / hugetlb.c

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 73b864a3201710d561af673d2a096985526b4c43..9b9aeef8e590549b5c81662fe1feafde11384fb3 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2121,6 +2121,21 @@ int hugetlb_report_node_meminfo(int nid, char *buf)
                nid, h->surplus_huge_pages_node[nid]);
 }
 
+void hugetlb_show_meminfo(void)
+{
+       struct hstate *h;
+       int nid;
+
+       for_each_node_state(nid, N_MEMORY)
+               for_each_hstate(h)
+                       pr_info("Node %d hugepages_total=%u hugepages_free=%u hugepages_surp=%u hugepages_size=%lukB\n",
+                               nid,
+                               h->nr_huge_pages_node[nid],
+                               h->free_huge_pages_node[nid],
+                               h->surplus_huge_pages_node[nid],
+                               1UL << (huge_page_order(h) + PAGE_SHIFT - 10));
+}
+
 /* Return the number pages of memory we physically have, in PAGE_SIZE units. */
 unsigned long hugetlb_total_pages(void)
 {