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From: Christopher Lameter <cl@linux.com>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>,
	Fan Du <fan.du@intel.com>,
	kvm@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
	Yao Yuan <yuan.yao@intel.com>, Peng Dong <dongx.peng@intel.com>,
	Huang Ying <ying.huang@intel.com>,
	Liu Jingqi <jingqi.liu@intel.com>,
	Dong Eddie <eddie.dong@intel.com>,
	Dave Hansen <dave.hansen@intel.com>,
	Zhang Yi <yi.z.zhang@linux.intel.com>,
	Dan Williams <dan.j.williams@intel.com>
Subject: Re: [RFC][PATCH v2 08/21] mm: introduce and export pgdat peer_node
Date: Thu, 27 Dec 2018 20:07:26 +0000	[thread overview]
Message-ID: <01000167f14761d6-b1564081-0d5f-4752-86be-2e99c8375866-000000@email.amazonses.com> (raw)
In-Reply-To: <20181226133351.521151384@intel.com>

On Wed, 26 Dec 2018, Fengguang Wu wrote:

> Each CPU socket can have 1 DRAM and 1 PMEM node, we call them "peer nodes".
> Migration between DRAM and PMEM will by default happen between peer nodes.

Which one does numa_node_id() point to? I guess that is the DRAM node and
then we fall back to the PMEM node?

  parent reply	other threads:[~2018-12-27 20:07 UTC|newest]

Thread overview: 99+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-26 13:14 [RFC][PATCH v2 00/21] PMEM NUMA node and hotness accounting/migration Fengguang Wu
2018-12-26 13:14 ` Fengguang Wu
2018-12-26 13:14 ` [RFC][PATCH v2 01/21] e820: cheat PMEM as DRAM Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2018-12-27  3:41   ` Matthew Wilcox
2018-12-27  4:11     ` Fengguang Wu
2018-12-27  5:13       ` Dan Williams
2018-12-27  5:13         ` Dan Williams
2018-12-27 19:32         ` Yang Shi
2018-12-27 19:32           ` Yang Shi
2018-12-28  3:27           ` Fengguang Wu
2018-12-26 13:14 ` [RFC][PATCH v2 02/21] acpi/numa: memorize NUMA node type from SRAT table Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2018-12-26 13:14 ` [RFC][PATCH v2 03/21] x86/numa_emulation: fix fake NUMA in uniform case Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2018-12-26 13:14 ` [RFC][PATCH v2 04/21] x86/numa_emulation: pass numa node type to fake nodes Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2018-12-26 13:14 ` [RFC][PATCH v2 05/21] mmzone: new pgdat flags for DRAM and PMEM Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2018-12-26 13:14 ` [RFC][PATCH v2 06/21] x86,numa: update numa node type Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2018-12-26 13:14 ` [RFC][PATCH v2 07/21] mm: export node type {pmem|dram} under /sys/bus/node Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2018-12-26 13:14 ` [RFC][PATCH v2 08/21] mm: introduce and export pgdat peer_node Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2018-12-27 20:07   ` Christopher Lameter [this message]
2018-12-27 20:07     ` Christopher Lameter
2018-12-28  2:31     ` Fengguang Wu
2018-12-26 13:14 ` [RFC][PATCH v2 09/21] mm: avoid duplicate peer target node Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2018-12-26 13:14 ` [RFC][PATCH v2 10/21] mm: build separate zonelist for PMEM and DRAM node Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2019-01-01  9:14   ` Aneesh Kumar K.V
2019-01-01  9:14     ` Aneesh Kumar K.V
2019-01-07  9:57     ` Fengguang Wu
2019-01-07 14:09       ` Aneesh Kumar K.V
2018-12-26 13:14 ` [RFC][PATCH v2 11/21] kvm: allocate page table pages from DRAM Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2019-01-01  9:23   ` Aneesh Kumar K.V
2019-01-01  9:23     ` Aneesh Kumar K.V
2019-01-02  0:59     ` Yuan Yao
2019-01-02 16:47   ` Dave Hansen
2019-01-07 10:21     ` Fengguang Wu
2018-12-26 13:14 ` [RFC][PATCH v2 12/21] x86/pgtable: " Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2018-12-26 13:14 ` [RFC][PATCH v2 13/21] x86/pgtable: dont check PMD accessed bit Fengguang Wu
2018-12-26 13:14   ` Fengguang Wu
2018-12-26 13:15 ` [RFC][PATCH v2 14/21] kvm: register in mm_struct Fengguang Wu
2018-12-26 13:15   ` Fengguang Wu
2019-02-02  6:57   ` Peter Xu
2019-02-02 10:50     ` Fengguang Wu
2019-02-04 10:46     ` Paolo Bonzini
2018-12-26 13:15 ` [RFC][PATCH v2 15/21] ept-idle: EPT walk for virtual machine Fengguang Wu
2018-12-26 13:15   ` Fengguang Wu
2018-12-26 13:15 ` [RFC][PATCH v2 16/21] mm-idle: mm_walk for normal task Fengguang Wu
2018-12-26 13:15   ` Fengguang Wu
2018-12-26 13:15 ` [RFC][PATCH v2 17/21] proc: introduce /proc/PID/idle_pages Fengguang Wu
2018-12-26 13:15   ` Fengguang Wu
2018-12-26 13:15 ` [RFC][PATCH v2 18/21] kvm-ept-idle: enable module Fengguang Wu
2018-12-26 13:15   ` Fengguang Wu
2018-12-26 13:15 ` [RFC][PATCH v2 19/21] mm/migrate.c: add move_pages(MPOL_MF_SW_YOUNG) flag Fengguang Wu
2018-12-26 13:15   ` Fengguang Wu
2018-12-26 13:15 ` [RFC][PATCH v2 20/21] mm/vmscan.c: migrate anon DRAM pages to PMEM node Fengguang Wu
2018-12-26 13:15   ` Fengguang Wu
2018-12-26 13:15 ` [RFC][PATCH v2 21/21] mm/vmscan.c: shrink anon list if can migrate to PMEM Fengguang Wu
2018-12-26 13:15   ` Fengguang Wu
2018-12-27 20:31 ` [RFC][PATCH v2 00/21] PMEM NUMA node and hotness accounting/migration Michal Hocko
2018-12-28  5:08   ` Fengguang Wu
2018-12-28  8:41     ` Michal Hocko
2018-12-28  9:42       ` Fengguang Wu
2018-12-28 12:15         ` Michal Hocko
2018-12-28 13:15           ` Fengguang Wu
2018-12-28 13:15             ` Fengguang Wu
2018-12-28 19:46             ` Michal Hocko
2018-12-28 13:31           ` Fengguang Wu
2018-12-28 18:28             ` Yang Shi
2018-12-28 18:28               ` Yang Shi
2018-12-28 19:52             ` Michal Hocko
2019-01-02 12:21               ` Jonathan Cameron
2019-01-02 12:21                 ` Jonathan Cameron
2019-01-08 14:52                 ` Michal Hocko
2019-01-10 15:53                   ` Jerome Glisse
2019-01-10 15:53                     ` Jerome Glisse
2019-01-10 16:42                     ` Michal Hocko
2019-01-10 17:42                       ` Jerome Glisse
2019-01-10 17:42                         ` Jerome Glisse
2019-01-10 18:26                   ` Jonathan Cameron
2019-01-10 18:26                     ` Jonathan Cameron
2019-01-28 17:42                 ` Jonathan Cameron
2019-01-28 17:42                   ` Jonathan Cameron
2019-01-29  2:00                   ` Fengguang Wu
2019-01-03 10:57               ` Mel Gorman
2019-01-10 16:25               ` Jerome Glisse
2019-01-10 16:25                 ` Jerome Glisse
2019-01-10 16:50                 ` Michal Hocko
2019-01-10 18:02                   ` Jerome Glisse
2019-01-10 18:02                     ` Jerome Glisse
2019-01-02 18:12       ` Dave Hansen
2019-01-08 14:53         ` Michal Hocko

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