linux-kernel - [RFC PATCH 12/31] mm: stats: Separate PMD THP and PUD THP stats.

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Date:   Fri, 15 Feb 2019 14:08:37 -0800
From:   Zi Yan <zi.yan@...t.com>
To:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc:     Dave Hansen <dave.hansen@...ux.intel.com>,
        Michal Hocko <mhocko@...nel.org>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Mel Gorman <mgorman@...hsingularity.net>,
        John Hubbard <jhubbard@...dia.com>,
        Mark Hairgrove <mhairgrove@...dia.com>,
        Nitin Gupta <nigupta@...dia.com>,
        David Nellans <dnellans@...dia.com>, Zi Yan <ziy@...dia.com>
Subject: [RFC PATCH 12/31] mm: stats: Separate PMD THP and PUD THP stats.

From: Zi Yan <ziy@...dia.com>

PMD THPs and PUD THPs are shown in separate stats.

Signed-off-by: Zi Yan <ziy@...dia.com>
---
 drivers/base/node.c | 5 +++--
 fs/proc/meminfo.c   | 3 ++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index f21d2235bf97..5d947a17b61b 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -127,6 +127,7 @@ static ssize_t node_read_meminfo(struct device *dev,
 		       "Node %d SUnreclaim:     %8lu kB\n"
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 		       "Node %d AnonHugePages:  %8lu kB\n"
+		       "Node %d AnonHugePages(1GB):  %8lu kB\n"
 		       "Node %d ShmemHugePages: %8lu kB\n"
 		       "Node %d ShmemPmdMapped: %8lu kB\n"
 #endif
@@ -150,8 +151,8 @@ static ssize_t node_read_meminfo(struct device *dev,
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 		       ,
 		       nid, K(node_page_state(pgdat, NR_ANON_THPS) *
-				       HPAGE_PMD_NR) +
-				    K(node_page_state(pgdat, NR_ANON_THPS_PUD) *
+				       HPAGE_PMD_NR),
+			   nid, K(node_page_state(pgdat, NR_ANON_THPS_PUD) *
 				       HPAGE_PUD_NR),
 		       nid, K(node_page_state(pgdat, NR_SHMEM_THPS) *
 				       HPAGE_PMD_NR),
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 9d127e440e4c..44a4d2dbd1d4 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -131,7 +131,8 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 	show_val_kb(m, "AnonHugePages:  ",
-		    global_node_page_state(NR_ANON_THPS) * HPAGE_PMD_NR +
+		    global_node_page_state(NR_ANON_THPS) * HPAGE_PMD_NR);
+	show_val_kb(m, "AnonHugePages(1GB):  ",
 			global_node_page_state(NR_ANON_THPS_PUD) * HPAGE_PUD_NR);
 	show_val_kb(m, "ShmemHugePages: ",
 		    global_node_page_state(NR_SHMEM_THPS) * HPAGE_PMD_NR);
-- 
2.20.1