From: Muchun Song <songmuchun@bytedance.com>
To: gregkh@linuxfoundation.org, rafael@kernel.org,
adobriyan@gmail.com, akpm@linux-foundation.org,
hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com,
hughd@google.com, shakeelb@google.com, guro@fb.com,
samitolvanen@google.com, feng.tang@intel.com, neilb@suse.de,
iamjoonsoo.kim@lge.com, rdunlap@infradead.org
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, cgroups@vger.kernel.org,
Muchun Song <songmuchun@bytedance.com>
Subject: [PATCH v3 5/7] mm: memcontrol: convert NR_SHMEM_PMDMAPPED account to pages
Date: Tue, 8 Dec 2020 12:18:45 +0800 [thread overview]
Message-ID: <20201208041847.72122-6-songmuchun@bytedance.com> (raw)
In-Reply-To: <20201208041847.72122-1-songmuchun@bytedance.com>
The unit of NR_SHMEM_PMDMAPPED is HPAGE_PMD_NR. Convert NR_SHMEM_PMDMAPPED
account to pages.
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
---
drivers/base/node.c | 3 +--
fs/proc/meminfo.c | 2 +-
mm/page_alloc.c | 3 +--
mm/rmap.c | 6 ++++--
4 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/base/node.c b/drivers/base/node.c
index a7f298ae693a..45293084bb19 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -463,8 +463,7 @@ static ssize_t node_read_meminfo(struct device *dev,
,
nid, K(node_page_state(pgdat, NR_ANON_THPS)),
nid, K(node_page_state(pgdat, NR_SHMEM_THPS)),
- nid, K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED) *
- HPAGE_PMD_NR),
+ 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)
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index cfb107eaa3e6..c61f440570f9 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -133,7 +133,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
show_val_kb(m, "ShmemHugePages: ",
global_node_page_state(NR_SHMEM_THPS));
show_val_kb(m, "ShmemPmdMapped: ",
- global_node_page_state(NR_SHMEM_PMDMAPPED) * HPAGE_PMD_NR);
+ global_node_page_state(NR_SHMEM_PMDMAPPED));
show_val_kb(m, "FileHugePages: ",
global_node_page_state(NR_FILE_THPS));
show_val_kb(m, "FilePmdMapped: ",
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 720fb5a220b6..575fbfeea4b5 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5578,8 +5578,7 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
K(node_page_state(pgdat, NR_SHMEM)),
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
K(node_page_state(pgdat, NR_SHMEM_THPS)),
- K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED)
- * HPAGE_PMD_NR),
+ K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED)),
K(node_page_state(pgdat, NR_ANON_THPS)),
#endif
K(node_page_state(pgdat, NR_WRITEBACK_TEMP)),
diff --git a/mm/rmap.c b/mm/rmap.c
index f59e92e26b61..3089ad6bf468 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1219,7 +1219,8 @@ void page_add_file_rmap(struct page *page, bool compound)
if (!atomic_inc_and_test(compound_mapcount_ptr(page)))
goto out;
if (PageSwapBacked(page))
- __inc_node_page_state(page, NR_SHMEM_PMDMAPPED);
+ __mod_lruvec_page_state(page, NR_SHMEM_PMDMAPPED,
+ HPAGE_PMD_NR);
else
__inc_node_page_state(page, NR_FILE_PMDMAPPED);
} else {
@@ -1260,7 +1261,8 @@ static void page_remove_file_rmap(struct page *page, bool compound)
if (!atomic_add_negative(-1, compound_mapcount_ptr(page)))
return;
if (PageSwapBacked(page))
- __dec_node_page_state(page, NR_SHMEM_PMDMAPPED);
+ __mod_lruvec_page_state(page, NR_SHMEM_PMDMAPPED,
+ -HPAGE_PMD_NR);
else
__dec_node_page_state(page, NR_FILE_PMDMAPPED);
} else {
--
2.11.0
next prev parent reply other threads:[~2020-12-08 4:22 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-08 4:18 [PATCH v3 0/7] Convert all THP vmstat counters to pages Muchun Song
2020-12-08 4:18 ` [PATCH v3 1/7] mm: memcontrol: fix NR_ANON_THPS account Muchun Song
2020-12-09 1:58 ` Roman Gushchin
2020-12-08 4:18 ` [PATCH v3 2/7] mm: memcontrol: convert NR_ANON_THPS account to pages Muchun Song
2020-12-15 13:30 ` Michal Hocko
2020-12-15 13:37 ` [External] " Muchun Song
2020-12-08 4:18 ` [PATCH v3 3/7] mm: memcontrol: convert NR_FILE_THPS " Muchun Song
2020-12-08 4:18 ` [PATCH v3 4/7] mm: memcontrol: convert NR_SHMEM_THPS " Muchun Song
2020-12-08 4:18 ` Muchun Song [this message]
2020-12-08 4:18 ` [PATCH v3 6/7] mm: memcontrol: convert NR_FILE_PMDMAPPED " Muchun Song
2020-12-08 4:18 ` [PATCH v3 7/7] mm: memcontrol: make the slab calculation consistent Muchun Song
2020-12-08 7:20 ` Pankaj Gupta
2020-12-08 7:53 ` [External] " Muchun Song
2020-12-15 13:35 ` Michal Hocko
2020-12-15 16:21 ` [External] " Muchun Song
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