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Sun, 06 Dec 2020 00:26:07 -0800 (PST) From: Muchun Song 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, will@kernel.org, guro@fb.com, rppt@kernel.org, tglx@linutronix.de, esyr@redhat.com, peterx@redhat.com, krisman@collabora.com, surenb@google.com, avagin@openvz.org, elver@google.com, rdunlap@infradead.org, iamjoonsoo.kim@lge.com Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org, Muchun Song Subject: [PATCH v2 03/12] mm: memcontrol: convert NR_FILE_THPS account to pages Date: Sun, 6 Dec 2020 16:23:02 +0800 Message-Id: <20201206082318.11532-6-songmuchun@bytedance.com> X-Mailer: git-send-email 2.21.0 (Apple Git-122) In-Reply-To: <20201206082318.11532-1-songmuchun@bytedance.com> References: <20201206082318.11532-1-songmuchun@bytedance.com> MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Converrt NR_FILE_THPS account to pages. Signed-off-by: Muchun Song --- drivers/base/node.c | 3 +-- fs/proc/meminfo.c | 2 +- mm/filemap.c | 2 +- mm/huge_memory.c | 3 ++- mm/khugepaged.c | 2 +- mm/memcontrol.c | 5 ++--- 6 files changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/base/node.c b/drivers/base/node.c index 7ebe4c2f64d1..2db28acdaa4f 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 1f7e1945c313..f4157f26cbf5 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/mm/filemap.c b/mm/filemap.c index 28e7309c29c8..c4dcb1144883 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -206,7 +206,7 @@ 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 1a13e1dab3ec..37840bdeaad0 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 ad316d2e1fee..1e1ced2208d0 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -1859,7 +1859,7 @@ 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 2700c1db5a1a..c4557de2b211 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1514,7 +1514,7 @@ 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 }, @@ -1546,8 +1546,7 @@ 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);