From: David Rientjes <rientjes@google.com>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org,
Marcelo Tosatti <mtosatti@redhat.com>,
Adam Litke <agl@us.ibm.com>, Avi Kivity <avi@redhat.com>,
Izik Eidus <ieidus@redhat.com>,
Hugh Dickins <hugh.dickins@tiscali.co.uk>,
Nick Piggin <npiggin@suse.de>, Rik van Riel <riel@redhat.com>,
Mel Gorman <mel@csn.ul.ie>, Dave Hansen <dave@linux.vnet.ibm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Ingo Molnar <mingo@elte.hu>, Mike Travis <travis@sgi.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Christoph Lameter <cl@linux-foundation.org>,
Chris Wright <chrisw@sous-sol.org>,
bpicco@redhat.com,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
Chris Mason <chris.mason@oracle.com>,
Borislav Petkov <bp@alien8.de>
Subject: [patch] transparent hugepage sysfs meminfo
Date: Wed, 1 Sep 2010 12:44:35 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1009011244130.4951@chino.kir.corp.google.com> (raw)
In-Reply-To: <20100901190859.GA20316@random.random>
Add hugepage statistics to per-node sysfs meminfo
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: David Rientjes <rientjes@google.com>
---
drivers/base/node.c | 21 ++++++++++++++++++---
1 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/drivers/base/node.c b/drivers/base/node.c
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -117,12 +117,21 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
"Node %d WritebackTmp: %8lu kB\n"
"Node %d Slab: %8lu kB\n"
"Node %d SReclaimable: %8lu kB\n"
- "Node %d SUnreclaim: %8lu kB\n",
+ "Node %d SUnreclaim: %8lu kB\n"
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ "Node %d AnonHugePages: %8lu kB\n"
+#endif
+ ,
nid, K(node_page_state(nid, NR_FILE_DIRTY)),
nid, K(node_page_state(nid, NR_WRITEBACK)),
nid, K(node_page_state(nid, NR_FILE_PAGES)),
nid, K(node_page_state(nid, NR_FILE_MAPPED)),
- nid, K(node_page_state(nid, NR_ANON_PAGES)),
+ nid, K(node_page_state(nid, NR_ANON_PAGES)
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ + node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
+ HPAGE_PMD_NR
+#endif
+ ),
nid, K(node_page_state(nid, NR_SHMEM)),
nid, node_page_state(nid, NR_KERNEL_STACK) *
THREAD_SIZE / 1024,
@@ -133,7 +142,13 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) +
node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)),
- nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)));
+ nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ , nid,
+ K(node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
+ HPAGE_PMD_NR)
+#endif
+ );
n += hugetlb_report_node_meminfo(nid, buf + n);
return n;
}
--
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next prev parent reply other threads:[~2010-09-01 19:44 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-01 19:08 Transparent Hugepage Support #30 Andrea Arcangeli
2010-09-01 19:44 ` David Rientjes [this message]
2010-09-01 19:50 ` [patch] transparent hugepage sysfs meminfo Andrea Arcangeli
2010-09-09 10:46 ` Transparent Hugepage Support #30 Balbir Singh
2010-09-09 23:40 ` Andrea Arcangeli
2010-09-13 9:34 ` Balbir Singh
2010-09-15 13:42 ` Andrea Arcangeli
2010-10-04 3:24 ` Naoya Horiguchi
2010-10-05 19:18 ` Andrea Arcangeli
-- strict thread matches above, loose matches on Subject: below --
2010-08-03 13:56 Transparent Hugepage Support #29 Andrea Arcangeli
2010-08-17 20:56 ` [patch] transparent hugepage sysfs meminfo David Rientjes
2010-08-17 21:01 ` Rik van Riel
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