The unit of NR_FILE_PMDMAPPED is HPAGE_PMD_NR. Convert NR_FILE_PMDMAPPED
account to pages.
Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
---
drivers/base/node.c | 3 +--
fs/proc/meminfo.c | 2 +-
mm/rmap.c | 6 ++++--
3 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 45293084bb19..04505beca104 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -465,8 +465,7 @@ static ssize_t node_read_meminfo(struct device *dev,
nid, K(node_page_state(pgdat, NR_SHMEM_THPS)),
nid, K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED)),
nid, K(node_page_state(pgdat, NR_FILE_THPS)),
- nid, K(node_page_state(pgdat, NR_FILE_PMDMAPPED) *
- HPAGE_PMD_NR)
+ nid, K(node_page_state(pgdat, NR_FILE_PMDMAPPED))
#endif
);
len += hugetlb_report_node_meminfo(buf, len, nid);
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index c61f440570f9..6fa761c9cc78 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -137,7 +137,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
show_val_kb(m, "FileHugePages: ",
global_node_page_state(NR_FILE_THPS));
show_val_kb(m, "FilePmdMapped: ",
- global_node_page_state(NR_FILE_PMDMAPPED) * HPAGE_PMD_NR);
+ global_node_page_state(NR_FILE_PMDMAPPED));
#endif
#ifdef CONFIG_CMA
diff --git a/mm/rmap.c b/mm/rmap.c
index 3089ad6bf468..e383c5619501 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1222,7 +1222,8 @@ void page_add_file_rmap(struct page *page, bool compound)
__mod_lruvec_page_state(page, NR_SHMEM_PMDMAPPED,
HPAGE_PMD_NR);
else
- __inc_node_page_state(page, NR_FILE_PMDMAPPED);
+ __mod_lruvec_page_state(page, NR_FILE_PMDMAPPED,
+ HPAGE_PMD_NR);
} else {
if (PageTransCompound(page) && page_mapping(page)) {
VM_WARN_ON_ONCE(!PageLocked(page));
@@ -1264,7 +1265,8 @@ static void page_remove_file_rmap(struct page *page, bool compound)
__mod_lruvec_page_state(page, NR_SHMEM_PMDMAPPED,
-HPAGE_PMD_NR);
else
- __dec_node_page_state(page, NR_FILE_PMDMAPPED);
+ __mod_lruvec_page_state(page, NR_FILE_PMDMAPPED,
+ -HPAGE_PMD_NR);
} else {
if (!atomic_add_negative(-1, &page->_mapcount))
return;
--
2.11.0
