[RFC,12/31] mm: stats: Separate PMD THP and PUD THP stats.

Message ID	20190215220856.29749-13-zi.yan@sent.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <owner-linux-mm@kvack.org> Received-SPF: pass (google.com: domain of zi.yan@sent.com designates 64.147.123.25 as permitted sender) client-ip=64.147.123.25; From: Zi Yan <zi.yan@sent.com> To: linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Dave Hansen <dave.hansen@linux.intel.com>, Michal Hocko <mhocko@kernel.org>, "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>, Andrew Morton <akpm@linux-foundation.org>, Vlastimil Babka <vbabka@suse.cz>, Mel Gorman <mgorman@techsingularity.net>, John Hubbard <jhubbard@nvidia.com>, Mark Hairgrove <mhairgrove@nvidia.com>, Nitin Gupta <nigupta@nvidia.com>, David Nellans <dnellans@nvidia.com>, Zi Yan <ziy@nvidia.com> Subject: [RFC PATCH 12/31] mm: stats: Separate PMD THP and PUD THP stats. Date: Fri, 15 Feb 2019 14:08:37 -0800 Message-Id: <20190215220856.29749-13-zi.yan@sent.com> In-Reply-To: <20190215220856.29749-1-zi.yan@sent.com> References: <20190215220856.29749-1-zi.yan@sent.com> Reply-To: ziy@nvidia.com MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org Precedence: bulk
Series	Generating physically contiguous memory after page allocation \| expand [RFC,00/31] Generating physically contiguous memory after page allocation [RFC,01/31] mm: migrate: Add exchange_pages to exchange two lists of pages. [RFC,02/31] mm: migrate: Add THP exchange support. [RFC,03/31] mm: migrate: Add tmpfs exchange support. [RFC,04/31] mm: add mem_defrag functionality. [RFC,05/31] mem_defrag: split a THP if either src or dst is THP only. [RFC,06/31] mm: Make MAX_ORDER configurable in Kconfig for buddy allocator. [RFC,07/31] mm: deallocate pages with order > MAX_ORDER. [RFC,08/31] mm: add pagechain container for storing multiple pages. [RFC,09/31] mm: thp: 1GB anonymous page implementation. [RFC,10/31] mm: proc: add 1GB THP kpageflag. [RFC,11/31] mm: debug: print compound page order in dump_page(). [RFC,12/31] mm: stats: Separate PMD THP and PUD THP stats. [RFC,13/31] mm: thp: 1GB THP copy on write implementation. [RFC,14/31] mm: thp: handling 1GB THP reference bit. [RFC,15/31] mm: thp: add 1GB THP split_huge_pud_page() function. [RFC,16/31] mm: thp: check compound_mapcount of PMD-mapped PUD THPs at free time. [RFC,17/31] mm: thp: split properly PMD-mapped PUD THP to PTE-mapped PUD THP. [RFC,18/31] mm: page_vma_walk: teach it about PMD-mapped PUD THP. [RFC,19/31] mm: thp: 1GB THP support in try_to_unmap(). [RFC,20/31] mm: thp: split 1GB THPs at page reclaim. [RFC,21/31] mm: thp: 1GB zero page shrinker. [RFC,22/31] mm: thp: 1GB THP follow_p*d_page() support. [RFC,23/31] mm: support 1GB THP pagemap support. [RFC,24/31] sysctl: add an option to only print the head page virtual address. [RFC,25/31] mm: thp: add a knob to enable/disable 1GB THPs. [RFC,26/31] mm: thp: promote PTE-mapped THP to PMD-mapped THP. [RFC,27/31] mm: thp: promote PMD-mapped PUD pages to PUD-mapped PUD pages. [RFC,28/31] mm: vmstats: add page promotion stats. [RFC,29/31] mm: madvise: add madvise options to split PMD and PUD THPs. [RFC,30/31] mm: mem_defrag: thp: PMD THP and PUD THP in-place promotion support. [RFC,31/31] sysctl: toggle to promote PUD-mapped 1GB THP or not.

Message ID

20190215220856.29749-13-zi.yan@sent.com (mailing list archive)

State

New, archived

Headers

Received-SPF: pass (google.com: domain of zi.yan@sent.com designates
 64.147.123.25 as permitted sender) client-ip=64.147.123.25;
From: Zi Yan <zi.yan@sent.com>
To: linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
	Michal Hocko <mhocko@kernel.org>,
	"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Vlastimil Babka <vbabka@suse.cz>,
	Mel Gorman <mgorman@techsingularity.net>,
	John Hubbard <jhubbard@nvidia.com>,
	Mark Hairgrove <mhairgrove@nvidia.com>,
	Nitin Gupta <nigupta@nvidia.com>,
	David Nellans <dnellans@nvidia.com>,
	Zi Yan <ziy@nvidia.com>
Subject: [RFC PATCH 12/31] mm: stats: Separate PMD THP and PUD THP stats.
Date: Fri, 15 Feb 2019 14:08:37 -0800
Message-Id: <20190215220856.29749-13-zi.yan@sent.com>
In-Reply-To: <20190215220856.29749-1-zi.yan@sent.com>
References: <20190215220856.29749-1-zi.yan@sent.com>
Reply-To: ziy@nvidia.com
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: owner-linux-mm@kvack.org
Precedence: bulk

Series

Generating physically contiguous memory after page allocation | expand

Commit Message

Zi Yan Feb. 15, 2019, 10:08 p.m. UTC

From: Zi Yan <ziy@nvidia.com>

PMD THPs and PUD THPs are shown in separate stats.

Signed-off-by: Zi Yan <ziy@nvidia.com>
---
 drivers/base/node.c | 5 +++--
 fs/proc/meminfo.c   | 3 ++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/base/node.c b/drivers/base/node.c
index f21d2235bf97..5d947a17b61b 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -127,6 +127,7 @@  static ssize_t node_read_meminfo(struct device *dev,
 		       "Node %d SUnreclaim:     %8lu kB\n"
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 		       "Node %d AnonHugePages:  %8lu kB\n"
+		       "Node %d AnonHugePages(1GB):  %8lu kB\n"
 		       "Node %d ShmemHugePages: %8lu kB\n"
 		       "Node %d ShmemPmdMapped: %8lu kB\n"
 #endif
@@ -150,8 +151,8 @@  static ssize_t node_read_meminfo(struct device *dev,
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 		       ,
 		       nid, K(node_page_state(pgdat, NR_ANON_THPS) *
-				       HPAGE_PMD_NR) +
-				    K(node_page_state(pgdat, NR_ANON_THPS_PUD) *
+				       HPAGE_PMD_NR),
+			   nid, K(node_page_state(pgdat, NR_ANON_THPS_PUD) *
 				       HPAGE_PUD_NR),
 		       nid, K(node_page_state(pgdat, NR_SHMEM_THPS) *
 				       HPAGE_PMD_NR),
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 9d127e440e4c..44a4d2dbd1d4 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -131,7 +131,8 @@  static int meminfo_proc_show(struct seq_file *m, void *v)
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 	show_val_kb(m, "AnonHugePages:  ",
-		    global_node_page_state(NR_ANON_THPS) * HPAGE_PMD_NR +
+		    global_node_page_state(NR_ANON_THPS) * HPAGE_PMD_NR);
+	show_val_kb(m, "AnonHugePages(1GB):  ",
 			global_node_page_state(NR_ANON_THPS_PUD) * HPAGE_PUD_NR);
 	show_val_kb(m, "ShmemHugePages: ",
 		    global_node_page_state(NR_SHMEM_THPS) * HPAGE_PMD_NR);

[RFC,12/31] mm: stats: Separate PMD THP and PUD THP stats.

Commit Message

Patch