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[67.231.153.30]) by mx.google.com with ESMTPS id z2si1248036ybn.84.2019.06.14.11.22.16 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 14 Jun 2019 11:22:16 -0700 (PDT) Received-SPF: pass (google.com: domain of prvs=10681bb08d=songliubraving@fb.com designates 67.231.153.30 as permitted sender) client-ip=67.231.153.30; Authentication-Results: mx.google.com; dkim=pass header.i=@fb.com header.s=facebook header.b=nokpLwLB; spf=pass (google.com: domain of prvs=10681bb08d=songliubraving@fb.com designates 67.231.153.30 as permitted sender) smtp.mailfrom="prvs=10681bb08d=songliubraving@fb.com"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=fb.com Received: from pps.filterd (m0001255.ppops.net [127.0.0.1]) by mx0b-00082601.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x5EIJKXm027346 for ; Fri, 14 Jun 2019 11:22:16 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=facebook; bh=6bxx1gNBJnv8buDPtJpu3vg2bjki9c0pwt5/1gY5jag=; b=nokpLwLBq8i6kLPeX/O/5wcRocE0+cjNzi38HKrcAliDte2oUgR2Pwoz8scgvnvhvop5 75zOeRAGD2cMG27JkTJPsLr2hDtjZ7WOD6KcFJ4lNaFF1UnC7yYDvlJulvWTxQ1nW1rp 14hjVK1wJ/wo7NqkzIR6bvlOzZAStCbej90= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0b-00082601.pphosted.com with ESMTP id 2t4915spmx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Fri, 14 Jun 2019 11:22:16 -0700 Received: from mx-out.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Fri, 14 Jun 2019 11:22:14 -0700 Received: by devbig006.ftw2.facebook.com (Postfix, from userid 4523) id 4EF1E62E1CF4; Fri, 14 Jun 2019 11:22:13 -0700 (PDT) Smtp-Origin-Hostprefix: devbig From: Song Liu Smtp-Origin-Hostname: devbig006.ftw2.facebook.com To: CC: , , , , , , Song Liu Smtp-Origin-Cluster: ftw2c04 Subject: [PATCH v2 2/3] mm,thp: stats for file backed THP Date: Fri, 14 Jun 2019 11:22:03 -0700 Message-ID: <20190614182204.2673660-3-songliubraving@fb.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190614182204.2673660-1-songliubraving@fb.com> References: <20190614182204.2673660-1-songliubraving@fb.com> X-FB-Internal: Safe MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-06-14_07:,, signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906140145 X-FB-Internal: deliver 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: In preparation for non-shmem THP, this patch adds two stats and exposes them in /proc/meminfo Signed-off-by: Song Liu --- fs/proc/meminfo.c | 4 ++++ include/linux/mmzone.h | 2 ++ mm/vmstat.c | 2 ++ 3 files changed, 8 insertions(+) diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c index 568d90e17c17..bac395fc11f9 100644 --- a/fs/proc/meminfo.c +++ b/fs/proc/meminfo.c @@ -136,6 +136,10 @@ static int meminfo_proc_show(struct seq_file *m, void *v) global_node_page_state(NR_SHMEM_THPS) * HPAGE_PMD_NR); 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); + show_val_kb(m, "FilePmdMapped: ", + global_node_page_state(NR_FILE_PMDMAPPED) * HPAGE_PMD_NR); #endif #ifdef CONFIG_CMA diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 70394cabaf4e..827f9b777938 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -234,6 +234,8 @@ enum node_stat_item { NR_SHMEM, /* shmem pages (included tmpfs/GEM pages) */ NR_SHMEM_THPS, NR_SHMEM_PMDMAPPED, + NR_FILE_THPS, + NR_FILE_PMDMAPPED, NR_ANON_THPS, NR_UNSTABLE_NFS, /* NFS unstable pages */ NR_VMSCAN_WRITE, diff --git a/mm/vmstat.c b/mm/vmstat.c index fd7e16ca6996..6afc892a148a 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1158,6 +1158,8 @@ const char * const vmstat_text[] = { "nr_shmem", "nr_shmem_hugepages", "nr_shmem_pmdmapped", + "nr_file_hugepages", + "nr_file_pmdmapped", "nr_anon_transparent_hugepages", "nr_unstable", "nr_vmscan_write", -- 2.17.1