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 6/7] mm: memcontrol: convert NR_FILE_PMDMAPPED account to pages
Date: Tue, 8 Dec 2020 12:18:46 +0800 [thread overview]
Message-ID: <20201208041847.72122-7-songmuchun@bytedance.com> (raw)
In-Reply-To: <20201208041847.72122-1-songmuchun@bytedance.com>
The unit of NR_FILE_PMDMAPPED is HPAGE_PMD_NR. Convert NR_FILE_PMDMAPPED
account to pages.
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
---
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
next prev parent reply other threads:[~2020-12-08 4:21 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 " 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 ` [PATCH v3 5/7] mm: memcontrol: convert NR_SHMEM_PMDMAPPED " Muchun Song
2020-12-08 4:18 ` Muchun Song [this message]
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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