The unit of NR_FILE_THPS is HPAGE_PMD_NR. Converrt NR_FILE_THPS
account to pages.

Signed-off-by: Muchun Song <songmuc...@bytedance.com>
---
 drivers/base/node.c    | 3 +--
 fs/proc/meminfo.c      | 2 +-
 include/linux/mmzone.h | 3 ++-
 mm/filemap.c           | 2 +-
 mm/huge_memory.c       | 3 ++-
 mm/khugepaged.c        | 2 +-
 mm/memcontrol.c        | 5 ++---
 7 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index 6da0c3508bc9..d5952f754911 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -466,8 +466,7 @@ static ssize_t node_read_meminfo(struct device *dev,
                                    HPAGE_PMD_NR),
                             nid, K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED) *
                                    HPAGE_PMD_NR),
-                            nid, K(node_page_state(pgdat, NR_FILE_THPS) *
-                                   HPAGE_PMD_NR),
+                            nid, K(node_page_state(pgdat, NR_FILE_THPS)),
                             nid, K(node_page_state(pgdat, NR_FILE_PMDMAPPED) *
                                    HPAGE_PMD_NR)
 #endif
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index a635c8a84ddf..7ea4679880c8 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -135,7 +135,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
        show_val_kb(m, "ShmemPmdMapped: ",
                    global_node_page_state(NR_SHMEM_PMDMAPPED) * HPAGE_PMD_NR);
        show_val_kb(m, "FileHugePages:  ",
-                   global_node_page_state(NR_FILE_THPS) * HPAGE_PMD_NR);
+                   global_node_page_state(NR_FILE_THPS));
        show_val_kb(m, "FilePmdMapped:  ",
                    global_node_page_state(NR_FILE_PMDMAPPED) * HPAGE_PMD_NR);
 #endif
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 4ac95448421c..67b6598c9ea4 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -215,7 +215,8 @@ enum node_stat_item {
  */
 static __always_inline bool vmstat_item_print_in_thp(enum node_stat_item item)
 {
-       return item == NR_ANON_THPS;
+       return item == NR_ANON_THPS ||
+              item == NR_FILE_THPS;
 }
 
 /*
diff --git a/mm/filemap.c b/mm/filemap.c
index 78090ee08ac2..9cc8b3ac9eac 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -207,7 +207,7 @@ static void unaccount_page_cache_page(struct address_space 
*mapping,
                if (PageTransHuge(page))
                        __dec_lruvec_page_state(page, NR_SHMEM_THPS);
        } else if (PageTransHuge(page)) {
-               __dec_lruvec_page_state(page, NR_FILE_THPS);
+               __mod_lruvec_page_state(page, NR_FILE_THPS, -HPAGE_PMD_NR);
                filemap_nr_thps_dec(mapping);
        }
 
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 66ec454120de..1e24165fa53a 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2748,7 +2748,8 @@ int split_huge_page_to_list(struct page *page, struct 
list_head *list)
                        if (PageSwapBacked(head))
                                __dec_lruvec_page_state(head, NR_SHMEM_THPS);
                        else
-                               __dec_lruvec_page_state(head, NR_FILE_THPS);
+                               __mod_lruvec_page_state(head, NR_FILE_THPS,
+                                                       -HPAGE_PMD_NR);
                }
 
                __split_huge_page(page, list, end);
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 494d3cb0b58a..76b3e064a72a 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1869,7 +1869,7 @@ static void collapse_file(struct mm_struct *mm,
        if (is_shmem)
                __inc_lruvec_page_state(new_page, NR_SHMEM_THPS);
        else {
-               __inc_lruvec_page_state(new_page, NR_FILE_THPS);
+               __mod_lruvec_page_state(new_page, NR_FILE_THPS, HPAGE_PMD_NR);
                filemap_nr_thps_inc(mapping);
        }
 
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b18e25a5cdf3..04985c8c6a0a 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1533,7 +1533,7 @@ static struct memory_stat memory_stats[] = {
         * constant(e.g. powerpc).
         */
        { "anon_thp", PAGE_SIZE, NR_ANON_THPS },
-       { "file_thp", 0, NR_FILE_THPS },
+       { "file_thp", PAGE_SIZE, NR_FILE_THPS },
        { "shmem_thp", 0, NR_SHMEM_THPS },
 #endif
        { "inactive_anon", PAGE_SIZE, NR_INACTIVE_ANON },
@@ -1565,8 +1565,7 @@ static int __init memory_stats_init(void)
 
        for (i = 0; i < ARRAY_SIZE(memory_stats); i++) {
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-               if (memory_stats[i].idx == NR_FILE_THPS ||
-                   memory_stats[i].idx == NR_SHMEM_THPS)
+               if (memory_stats[i].idx == NR_SHMEM_THPS)
                        memory_stats[i].ratio = HPAGE_PMD_SIZE;
 #endif
                VM_BUG_ON(!memory_stats[i].ratio);
-- 
2.11.0

Reply via email to