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

From: Zi Yan
Date: Fri Feb 15 2019 - 17:09:25 EST


From: Zi Yan <ziy@xxxxxxxxxx>

PMD THPs and PUD THPs are shown in separate stats.

Signed-off-by: Zi Yan <ziy@xxxxxxxxxx>
---
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