From: Fengguang Wu <fengguang.wu@intel.com> To: Michal Hocko <mhocko@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org>, Linux Memory Management List <linux-mm@kvack.org>, kvm@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>, Fan Du <fan.du@intel.com>, 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 00/21] PMEM NUMA node and hotness accounting/migration Date: Fri, 28 Dec 2018 21:15:42 +0800 [thread overview] Message-ID: <20181228131542.geshbmzvhr3litty@wfg-t540p.sh.intel.com> (raw) In-Reply-To: <20181228121515.GS16738@dhcp22.suse.cz> [-- Attachment #1: Type: text/plain, Size: 949 bytes --] On Fri, Dec 28, 2018 at 01:15:15PM +0100, Michal Hocko wrote: >On Fri 28-12-18 17:42:08, Wu Fengguang wrote: >[...] >> Those look unnecessary complexities for this post. This v2 patchset >> mainly fulfills our first milestone goal: a minimal viable solution >> that's relatively clean to backport. Even when preparing for new >> upstreamable versions, it may be good to keep it simple for the >> initial upstream inclusion. > >On the other hand this is creating a new NUMA semantic and I would like >to have something long term thatn let's throw something in now and care >about long term later. So I would really prefer to talk about long term >plans first and only care about implementation details later. That makes good sense. FYI here are the several in-house patches that try to leverage (but not yet integrate with) NUMA balancing. The last one is brutal force hacking. They obviously break original NUMA balancing logic. Thanks, Fengguang [-- Attachment #2: 0074-migrate-set-PROT_NONE-on-the-PTEs-and-let-NUMA-balan.patch --] [-- Type: text/x-diff, Size: 1333 bytes --] >From ef41a542568913c8c62251021c3bc38b7a549440 Mon Sep 17 00:00:00 2001 From: Liu Jingqi <jingqi.liu@intel.com> Date: Sat, 29 Sep 2018 23:29:56 +0800 Subject: [PATCH 074/166] migrate: set PROT_NONE on the PTEs and let NUMA balancing Need to enable CONFIG_NUMA_BALANCING firstly. Set PROT_NONE on the PTEs that map to the page, and do the actual migration in the context of process which initiate migration. Signed-off-by: Liu Jingqi <jingqi.liu@intel.com> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> --- mm/migrate.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/mm/migrate.c b/mm/migrate.c index b27a287081c2..d933f6966601 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1530,6 +1530,21 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr, if (page_mapcount(page) > 1 && !migrate_all) goto out_putpage; + if (flags & MPOL_MF_SW_YOUNG) { + unsigned long start, end; + unsigned long nr_pte_updates = 0; + + start = max(addr, vma->vm_start); + + /* TODO: if huge page */ + end = ALIGN(addr + (1 << PAGE_SHIFT), PAGE_SIZE); + end = min(end, vma->vm_end); + nr_pte_updates = change_prot_numa(vma, start, end); + + err = 0; + goto out_putpage; + } + if (PageHuge(page)) { if (PageHead(page)) { /* Check if the page is software young. */ -- 2.15.0 [-- Attachment #3: 0075-migrate-consolidate-MPOL_MF_SW_YOUNG-behaviors.patch --] [-- Type: text/x-diff, Size: 3515 bytes --] >From e617e8c2034387cbed50bafa786cf83528dbe3df Mon Sep 17 00:00:00 2001 From: Fengguang Wu <fengguang.wu@intel.com> Date: Sun, 30 Sep 2018 10:50:58 +0800 Subject: [PATCH 075/166] migrate: consolidate MPOL_MF_SW_YOUNG behaviors - if page already in target node: SetPageReferenced - otherwise: change_prot_numa Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> --- arch/x86/kvm/Kconfig | 1 + mm/migrate.c | 65 +++++++++++++++++++++++++++++++--------------------- 2 files changed, 40 insertions(+), 26 deletions(-) diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index 4c6dec47fac6..c103373536fc 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -100,6 +100,7 @@ config KVM_EPT_IDLE tristate "KVM EPT idle page tracking" depends on KVM_INTEL depends on PROC_PAGE_MONITOR + depends on NUMA_BALANCING ---help--- Provides support for walking EPT to get the A bits on Intel processors equipped with the VT extensions. diff --git a/mm/migrate.c b/mm/migrate.c index d933f6966601..d944f031c9ea 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1500,6 +1500,8 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr, { struct vm_area_struct *vma; struct page *page; + unsigned long end; + unsigned int page_nid; unsigned int follflags; int err; bool migrate_all = flags & MPOL_MF_MOVE_ALL; @@ -1522,49 +1524,60 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr, if (!page) goto out; - err = 0; - if (page_to_nid(page) == node) - goto out_putpage; + page_nid = page_to_nid(page); err = -EACCES; if (page_mapcount(page) > 1 && !migrate_all) goto out_putpage; - if (flags & MPOL_MF_SW_YOUNG) { - unsigned long start, end; - unsigned long nr_pte_updates = 0; - - start = max(addr, vma->vm_start); - - /* TODO: if huge page */ - end = ALIGN(addr + (1 << PAGE_SHIFT), PAGE_SIZE); - end = min(end, vma->vm_end); - nr_pte_updates = change_prot_numa(vma, start, end); - - err = 0; - goto out_putpage; - } - + err = 0; if (PageHuge(page)) { - if (PageHead(page)) { - /* Check if the page is software young. */ - if (flags & MPOL_MF_SW_YOUNG) + if (!PageHead(page)) { + err = -EACCES; + goto out_putpage; + } + if (flags & MPOL_MF_SW_YOUNG) { + if (page_nid == node) SetPageReferenced(page); - isolate_huge_page(page, pagelist); - err = 0; + else if (PageAnon(page)) { + end = addr + (hpage_nr_pages(page) << PAGE_SHIFT); + if (end <= vma->vm_end) + change_prot_numa(vma, addr, end); + } + goto out_putpage; } + if (page_nid == node) + goto out_putpage; + isolate_huge_page(page, pagelist); } else { struct page *head; head = compound_head(page); + + if (flags & MPOL_MF_SW_YOUNG) { + if (page_nid == node) + SetPageReferenced(head); + else { + unsigned long size; + size = hpage_nr_pages(head) << PAGE_SHIFT; + end = addr + size; + if (unlikely(addr & (size - 1))) + err = -EXDEV; + else if (likely(end <= vma->vm_end)) + change_prot_numa(vma, addr, end); + else + err = -ERANGE; + } + goto out_putpage; + } + if (page_nid == node) + goto out_putpage; + err = isolate_lru_page(head); if (err) goto out_putpage; err = 0; - /* Check if the page is software young. */ - if (flags & MPOL_MF_SW_YOUNG) - SetPageReferenced(head); list_add_tail(&head->lru, pagelist); mod_node_page_state(page_pgdat(head), NR_ISOLATED_ANON + page_is_file_cache(head), -- 2.15.0 [-- Attachment #4: 0076-mempolicy-force-NUMA-balancing.patch --] [-- Type: text/x-diff, Size: 1512 bytes --] >From a2d9740d1639f807868014c16dc9e2620d356f3c Mon Sep 17 00:00:00 2001 From: Fengguang Wu <fengguang.wu@intel.com> Date: Sun, 30 Sep 2018 19:22:27 +0800 Subject: [PATCH 076/166] mempolicy: force NUMA balancing Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> --- mm/memory.c | 3 ++- mm/mempolicy.c | 5 ----- 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/mm/memory.c b/mm/memory.c index c467102a5cbc..20c7efdff63b 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3775,7 +3775,8 @@ static int numa_migrate_prep(struct page *page, struct vm_area_struct *vma, *flags |= TNF_FAULT_LOCAL; } - return mpol_misplaced(page, vma, addr); + return 0; + /* return mpol_misplaced(page, vma, addr); */ } static vm_fault_t do_numa_page(struct vm_fault *vmf) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index da858f794eb6..21dc6ba1d062 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2295,8 +2295,6 @@ int mpol_misplaced(struct page *page, struct vm_area_struct *vma, unsigned long int ret = -1; pol = get_vma_policy(vma, addr); - if (!(pol->flags & MPOL_F_MOF)) - goto out; switch (pol->mode) { case MPOL_INTERLEAVE: @@ -2336,9 +2334,6 @@ int mpol_misplaced(struct page *page, struct vm_area_struct *vma, unsigned long /* Migrate the page towards the node whose CPU is referencing it */ if (pol->flags & MPOL_F_MORON) { polnid = thisnid; - - if (!should_numa_migrate_memory(current, page, curnid, thiscpu)) - goto out; } if (curnid != polnid) -- 2.15.0
WARNING: multiple messages have this Message-ID (diff)
From: Fengguang Wu <fengguang.wu@intel.com> To: Michal Hocko <mhocko@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org>, Linux Memory Management List <linux-mm@kvack.org>, kvm@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>, Fan Du <fan.du@intel.com>, 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 00/21] PMEM NUMA node and hotness accounting/migration Date: Fri, 28 Dec 2018 21:15:42 +0800 [thread overview] Message-ID: <20181228131542.geshbmzvhr3litty@wfg-t540p.sh.intel.com> (raw) Message-ID: <20181228131542.1yqTlAEoTT-xwmVSALCrBIlEJlSKFhv_w4Eb9QiZD1E@z> (raw) In-Reply-To: <20181228121515.GS16738@dhcp22.suse.cz> [-- Attachment #1: Type: text/plain, Size: 949 bytes --] On Fri, Dec 28, 2018 at 01:15:15PM +0100, Michal Hocko wrote: >On Fri 28-12-18 17:42:08, Wu Fengguang wrote: >[...] >> Those look unnecessary complexities for this post. This v2 patchset >> mainly fulfills our first milestone goal: a minimal viable solution >> that's relatively clean to backport. Even when preparing for new >> upstreamable versions, it may be good to keep it simple for the >> initial upstream inclusion. > >On the other hand this is creating a new NUMA semantic and I would like >to have something long term thatn let's throw something in now and care >about long term later. So I would really prefer to talk about long term >plans first and only care about implementation details later. That makes good sense. FYI here are the several in-house patches that try to leverage (but not yet integrate with) NUMA balancing. The last one is brutal force hacking. They obviously break original NUMA balancing logic. Thanks, Fengguang [-- Attachment #2: 0074-migrate-set-PROT_NONE-on-the-PTEs-and-let-NUMA-balan.patch --] [-- Type: text/x-diff, Size: 1332 bytes --] From ef41a542568913c8c62251021c3bc38b7a549440 Mon Sep 17 00:00:00 2001 From: Liu Jingqi <jingqi.liu@intel.com> Date: Sat, 29 Sep 2018 23:29:56 +0800 Subject: [PATCH 074/166] migrate: set PROT_NONE on the PTEs and let NUMA balancing Need to enable CONFIG_NUMA_BALANCING firstly. Set PROT_NONE on the PTEs that map to the page, and do the actual migration in the context of process which initiate migration. Signed-off-by: Liu Jingqi <jingqi.liu@intel.com> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> --- mm/migrate.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/mm/migrate.c b/mm/migrate.c index b27a287081c2..d933f6966601 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1530,6 +1530,21 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr, if (page_mapcount(page) > 1 && !migrate_all) goto out_putpage; + if (flags & MPOL_MF_SW_YOUNG) { + unsigned long start, end; + unsigned long nr_pte_updates = 0; + + start = max(addr, vma->vm_start); + + /* TODO: if huge page */ + end = ALIGN(addr + (1 << PAGE_SHIFT), PAGE_SIZE); + end = min(end, vma->vm_end); + nr_pte_updates = change_prot_numa(vma, start, end); + + err = 0; + goto out_putpage; + } + if (PageHuge(page)) { if (PageHead(page)) { /* Check if the page is software young. */ -- 2.15.0 [-- Attachment #3: 0075-migrate-consolidate-MPOL_MF_SW_YOUNG-behaviors.patch --] [-- Type: text/x-diff, Size: 3514 bytes --] From e617e8c2034387cbed50bafa786cf83528dbe3df Mon Sep 17 00:00:00 2001 From: Fengguang Wu <fengguang.wu@intel.com> Date: Sun, 30 Sep 2018 10:50:58 +0800 Subject: [PATCH 075/166] migrate: consolidate MPOL_MF_SW_YOUNG behaviors - if page already in target node: SetPageReferenced - otherwise: change_prot_numa Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> --- arch/x86/kvm/Kconfig | 1 + mm/migrate.c | 65 +++++++++++++++++++++++++++++++--------------------- 2 files changed, 40 insertions(+), 26 deletions(-) diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index 4c6dec47fac6..c103373536fc 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -100,6 +100,7 @@ config KVM_EPT_IDLE tristate "KVM EPT idle page tracking" depends on KVM_INTEL depends on PROC_PAGE_MONITOR + depends on NUMA_BALANCING ---help--- Provides support for walking EPT to get the A bits on Intel processors equipped with the VT extensions. diff --git a/mm/migrate.c b/mm/migrate.c index d933f6966601..d944f031c9ea 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1500,6 +1500,8 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr, { struct vm_area_struct *vma; struct page *page; + unsigned long end; + unsigned int page_nid; unsigned int follflags; int err; bool migrate_all = flags & MPOL_MF_MOVE_ALL; @@ -1522,49 +1524,60 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr, if (!page) goto out; - err = 0; - if (page_to_nid(page) == node) - goto out_putpage; + page_nid = page_to_nid(page); err = -EACCES; if (page_mapcount(page) > 1 && !migrate_all) goto out_putpage; - if (flags & MPOL_MF_SW_YOUNG) { - unsigned long start, end; - unsigned long nr_pte_updates = 0; - - start = max(addr, vma->vm_start); - - /* TODO: if huge page */ - end = ALIGN(addr + (1 << PAGE_SHIFT), PAGE_SIZE); - end = min(end, vma->vm_end); - nr_pte_updates = change_prot_numa(vma, start, end); - - err = 0; - goto out_putpage; - } - + err = 0; if (PageHuge(page)) { - if (PageHead(page)) { - /* Check if the page is software young. */ - if (flags & MPOL_MF_SW_YOUNG) + if (!PageHead(page)) { + err = -EACCES; + goto out_putpage; + } + if (flags & MPOL_MF_SW_YOUNG) { + if (page_nid == node) SetPageReferenced(page); - isolate_huge_page(page, pagelist); - err = 0; + else if (PageAnon(page)) { + end = addr + (hpage_nr_pages(page) << PAGE_SHIFT); + if (end <= vma->vm_end) + change_prot_numa(vma, addr, end); + } + goto out_putpage; } + if (page_nid == node) + goto out_putpage; + isolate_huge_page(page, pagelist); } else { struct page *head; head = compound_head(page); + + if (flags & MPOL_MF_SW_YOUNG) { + if (page_nid == node) + SetPageReferenced(head); + else { + unsigned long size; + size = hpage_nr_pages(head) << PAGE_SHIFT; + end = addr + size; + if (unlikely(addr & (size - 1))) + err = -EXDEV; + else if (likely(end <= vma->vm_end)) + change_prot_numa(vma, addr, end); + else + err = -ERANGE; + } + goto out_putpage; + } + if (page_nid == node) + goto out_putpage; + err = isolate_lru_page(head); if (err) goto out_putpage; err = 0; - /* Check if the page is software young. */ - if (flags & MPOL_MF_SW_YOUNG) - SetPageReferenced(head); list_add_tail(&head->lru, pagelist); mod_node_page_state(page_pgdat(head), NR_ISOLATED_ANON + page_is_file_cache(head), -- 2.15.0 [-- Attachment #4: 0076-mempolicy-force-NUMA-balancing.patch --] [-- Type: text/x-diff, Size: 1511 bytes --] From a2d9740d1639f807868014c16dc9e2620d356f3c Mon Sep 17 00:00:00 2001 From: Fengguang Wu <fengguang.wu@intel.com> Date: Sun, 30 Sep 2018 19:22:27 +0800 Subject: [PATCH 076/166] mempolicy: force NUMA balancing Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> --- mm/memory.c | 3 ++- mm/mempolicy.c | 5 ----- 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/mm/memory.c b/mm/memory.c index c467102a5cbc..20c7efdff63b 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3775,7 +3775,8 @@ static int numa_migrate_prep(struct page *page, struct vm_area_struct *vma, *flags |= TNF_FAULT_LOCAL; } - return mpol_misplaced(page, vma, addr); + return 0; + /* return mpol_misplaced(page, vma, addr); */ } static vm_fault_t do_numa_page(struct vm_fault *vmf) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index da858f794eb6..21dc6ba1d062 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2295,8 +2295,6 @@ int mpol_misplaced(struct page *page, struct vm_area_struct *vma, unsigned long int ret = -1; pol = get_vma_policy(vma, addr); - if (!(pol->flags & MPOL_F_MOF)) - goto out; switch (pol->mode) { case MPOL_INTERLEAVE: @@ -2336,9 +2334,6 @@ int mpol_misplaced(struct page *page, struct vm_area_struct *vma, unsigned long /* Migrate the page towards the node whose CPU is referencing it */ if (pol->flags & MPOL_F_MORON) { polnid = thisnid; - - if (!should_numa_migrate_memory(current, page, curnid, thiscpu)) - goto out; } if (curnid != polnid) -- 2.15.0
next prev parent reply other threads:[~2018-12-28 13:15 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 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 [this message] 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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