From: Yang Shi <yang.shi@linux.alibaba.com>
To: mhocko@suse.com, mgorman@techsingularity.net, riel@surriel.com,
hannes@cmpxchg.org, akpm@linux-foundation.org,
dave.hansen@intel.com, keith.busch@intel.com,
dan.j.williams@intel.com, fengguang.wu@intel.com,
fan.du@intel.com, ying.huang@intel.com
Cc: yang.shi@linux.alibaba.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 08/10] mm: numa: add page promotion counter
Date: Sat, 23 Mar 2019 12:44:33 +0800 [thread overview]
Message-ID: <1553316275-21985-9-git-send-email-yang.shi@linux.alibaba.com> (raw)
In-Reply-To: <1553316275-21985-1-git-send-email-yang.shi@linux.alibaba.com>
Add counter for page promotion for NUMA balancing.
Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
---
include/linux/vm_event_item.h | 1 +
mm/huge_memory.c | 4 ++++
mm/memory.c | 4 ++++
mm/vmstat.c | 1 +
4 files changed, 10 insertions(+)
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index 499a3aa..9f52a62 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -51,6 +51,7 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
NUMA_HINT_FAULTS,
NUMA_HINT_FAULTS_LOCAL,
NUMA_PAGE_MIGRATE,
+ NUMA_PAGE_PROMOTE,
#endif
#ifdef CONFIG_MIGRATION
PGMIGRATE_SUCCESS, PGMIGRATE_FAIL,
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 8268a3c..9d5f5ce 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1607,6 +1607,10 @@ vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd)
migrated = migrate_misplaced_transhuge_page(vma->vm_mm, vma,
vmf->pmd, pmd, vmf->address, page, target_nid);
if (migrated) {
+ if (!node_isset(page_nid, def_alloc_nodemask) &&
+ node_isset(target_nid, def_alloc_nodemask))
+ count_vm_numa_events(NUMA_PAGE_PROMOTE, HPAGE_PMD_NR);
+
flags |= TNF_MIGRATED;
page_nid = target_nid;
} else
diff --git a/mm/memory.c b/mm/memory.c
index 2494c11..554191b 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3691,6 +3691,10 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf)
/* Migrate to the requested node */
migrated = migrate_misplaced_page(page, vma, target_nid);
if (migrated) {
+ if (!node_isset(page_nid, def_alloc_nodemask) &&
+ node_isset(target_nid, def_alloc_nodemask))
+ count_vm_numa_event(NUMA_PAGE_PROMOTE);
+
page_nid = target_nid;
flags |= TNF_MIGRATED;
} else
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 0e863e7..4b44fc8 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1220,6 +1220,7 @@ int fragmentation_index(struct zone *zone, unsigned int order)
"numa_hint_faults",
"numa_hint_faults_local",
"numa_pages_migrated",
+ "numa_pages_promoted",
#endif
#ifdef CONFIG_MIGRATION
"pgmigrate_success",
--
1.8.3.1
next prev parent reply other threads:[~2019-03-23 4:45 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-23 4:44 [RFC PATCH 0/10] Another Approach to Use PMEM as NUMA Node Yang Shi
2019-03-23 4:44 ` [PATCH 01/10] mm: control memory placement by nodemask for two tier main memory Yang Shi
2019-03-23 17:21 ` Dan Williams
2019-03-25 19:28 ` Yang Shi
2019-03-25 23:18 ` Dan Williams
2019-03-25 23:36 ` Yang Shi
2019-03-25 23:42 ` Dan Williams
2019-03-23 4:44 ` [PATCH 02/10] mm: mempolicy: introduce MPOL_HYBRID policy Yang Shi
2019-03-23 4:44 ` [PATCH 03/10] mm: mempolicy: promote page to DRAM for MPOL_HYBRID Yang Shi
2019-03-23 4:44 ` [PATCH 04/10] mm: numa: promote pages to DRAM when it is accessed twice Yang Shi
2019-03-29 0:31 ` kbuild test robot
2019-03-23 4:44 ` [PATCH 05/10] mm: page_alloc: make find_next_best_node could skip DRAM node Yang Shi
2019-03-23 4:44 ` [PATCH 06/10] mm: vmscan: demote anon DRAM pages to PMEM node Yang Shi
2019-03-23 6:03 ` Zi Yan
2019-03-25 21:49 ` Yang Shi
2019-03-24 22:20 ` Keith Busch
2019-03-25 19:49 ` Yang Shi
2019-03-27 0:35 ` Keith Busch
2019-03-27 3:41 ` Yang Shi
2019-03-27 13:08 ` Keith Busch
2019-03-27 17:00 ` Zi Yan
2019-03-27 17:05 ` Dave Hansen
2019-03-27 17:48 ` Zi Yan
2019-03-27 18:00 ` Dave Hansen
2019-03-27 20:37 ` Zi Yan
2019-03-27 20:42 ` Dave Hansen
2019-03-28 21:59 ` Yang Shi
2019-03-28 22:45 ` Keith Busch
2019-03-23 4:44 ` [PATCH 07/10] mm: vmscan: add page demotion counter Yang Shi
2019-03-23 4:44 ` Yang Shi [this message]
2019-03-23 4:44 ` [PATCH 09/10] doc: add description for MPOL_HYBRID mode Yang Shi
2019-03-23 4:44 ` [PATCH 10/10] doc: elaborate the PMEM allocation rule Yang Shi
2019-03-25 16:15 ` [RFC PATCH 0/10] Another Approach to Use PMEM as NUMA Node Brice Goglin
2019-03-25 16:56 ` Dan Williams
2019-03-25 17:45 ` Brice Goglin
2019-03-25 19:29 ` Dan Williams
2019-03-25 23:09 ` Brice Goglin
2019-03-25 23:37 ` Dan Williams
2019-03-26 12:19 ` Jonathan Cameron
2019-03-25 20:04 ` Yang Shi
2019-03-26 13:58 ` Michal Hocko
2019-03-26 18:33 ` Yang Shi
2019-03-26 18:37 ` Michal Hocko
2019-03-27 2:58 ` Yang Shi
2019-03-27 9:01 ` Michal Hocko
2019-03-27 17:34 ` Dan Williams
2019-03-27 18:59 ` Yang Shi
2019-03-27 20:09 ` Michal Hocko
2019-03-28 2:09 ` Yang Shi
2019-03-28 6:58 ` Michal Hocko
2019-03-28 18:58 ` Yang Shi
2019-03-28 19:12 ` Michal Hocko
2019-03-28 19:40 ` Yang Shi
2019-03-28 20:40 ` Michal Hocko
2019-03-28 8:21 ` Dan Williams
2019-03-27 20:14 ` Dave Hansen
2019-03-27 20:35 ` Matthew Wilcox
2019-03-27 20:40 ` Dave Hansen
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