From: Fengguang Wu <fengguang.wu@intel.com> To: Andrew Morton <akpm@linux-foundation.org> Cc: Linux Memory Management List <linux-mm@kvack.org>, Yao Yuan <yuan.yao@intel.com>, Fengguang Wu <fengguang.wu@intel.com>, kvm@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>, Fan Du <fan.du@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: [RFC][PATCH v2 11/21] kvm: allocate page table pages from DRAM Date: Wed, 26 Dec 2018 21:14:57 +0800 [thread overview] Message-ID: <20181226133351.703380444@intel.com> (raw) In-Reply-To: 20181226131446.330864849@intel.com [-- Attachment #1: 0001-kvm-allocate-page-table-pages-from-DRAM.patch --] [-- Type: text/plain, Size: 1210 bytes --] From: Yao Yuan <yuan.yao@intel.com> Signed-off-by: Yao Yuan <yuan.yao@intel.com> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> --- arch/x86/kvm/mmu.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) --- linux.orig/arch/x86/kvm/mmu.c 2018-12-26 20:54:48.846720344 +0800 +++ linux/arch/x86/kvm/mmu.c 2018-12-26 20:54:48.842719614 +0800 @@ -950,6 +950,16 @@ static void mmu_free_memory_cache(struct kmem_cache_free(cache, mc->objects[--mc->nobjs]); } +static unsigned long __get_dram_free_pages(gfp_t gfp_mask) +{ + struct page *page; + + page = __alloc_pages(GFP_KERNEL_ACCOUNT, 0, numa_node_id()); + if (!page) + return 0; + return (unsigned long) page_address(page); +} + static int mmu_topup_memory_cache_page(struct kvm_mmu_memory_cache *cache, int min) { @@ -958,7 +968,7 @@ static int mmu_topup_memory_cache_page(s if (cache->nobjs >= min) return 0; while (cache->nobjs < ARRAY_SIZE(cache->objects)) { - page = (void *)__get_free_page(GFP_KERNEL_ACCOUNT); + page = (void *)__get_dram_free_pages(GFP_KERNEL_ACCOUNT); if (!page) return cache->nobjs >= min ? 0 : -ENOMEM; cache->objects[cache->nobjs++] = page;
WARNING: multiple messages have this Message-ID (diff)
From: Fengguang Wu <fengguang.wu@intel.com> To: Andrew Morton <akpm@linux-foundation.org> Cc: Linux Memory Management List <linux-mm@kvack.org>, Yao Yuan <yuan.yao@intel.com>, Fengguang Wu <fengguang.wu@intel.com> Cc: kvm@vger.kernel.org Cc: LKML <linux-kernel@vger.kernel.org> Cc: Fan Du <fan.du@intel.com> Cc: Peng Dong <dongx.peng@intel.com> Cc: Huang Ying <ying.huang@intel.com> Cc: Liu Jingqi <jingqi.liu@intel.com> Cc: Dong Eddie <eddie.dong@intel.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Zhang Yi <yi.z.zhang@linux.intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Subject: [RFC][PATCH v2 11/21] kvm: allocate page table pages from DRAM Date: Wed, 26 Dec 2018 21:14:57 +0800 [thread overview] Message-ID: <20181226133351.703380444@intel.com> (raw) Message-ID: <20181226131457.bWqd1N4sF4vlHkm0TEevXqhPwU2ikE4UJjD-xZ8e9f8@z> (raw) In-Reply-To: 20181226131446.330864849@intel.com [-- Attachment #1: 0001-kvm-allocate-page-table-pages-from-DRAM.patch --] [-- Type: text/plain, Size: 1212 bytes --] From: Yao Yuan <yuan.yao@intel.com> Signed-off-by: Yao Yuan <yuan.yao@intel.com> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> --- arch/x86/kvm/mmu.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) --- linux.orig/arch/x86/kvm/mmu.c 2018-12-26 20:54:48.846720344 +0800 +++ linux/arch/x86/kvm/mmu.c 2018-12-26 20:54:48.842719614 +0800 @@ -950,6 +950,16 @@ static void mmu_free_memory_cache(struct kmem_cache_free(cache, mc->objects[--mc->nobjs]); } +static unsigned long __get_dram_free_pages(gfp_t gfp_mask) +{ + struct page *page; + + page = __alloc_pages(GFP_KERNEL_ACCOUNT, 0, numa_node_id()); + if (!page) + return 0; + return (unsigned long) page_address(page); +} + static int mmu_topup_memory_cache_page(struct kvm_mmu_memory_cache *cache, int min) { @@ -958,7 +968,7 @@ static int mmu_topup_memory_cache_page(s if (cache->nobjs >= min) return 0; while (cache->nobjs < ARRAY_SIZE(cache->objects)) { - page = (void *)__get_free_page(GFP_KERNEL_ACCOUNT); + page = (void *)__get_dram_free_pages(GFP_KERNEL_ACCOUNT); if (!page) return cache->nobjs >= min ? 0 : -ENOMEM; cache->objects[cache->nobjs++] = page;
next prev parent reply other threads:[~2018-12-26 13:37 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 ` Fengguang Wu [this message] 2018-12-26 13:14 ` [RFC][PATCH v2 11/21] kvm: allocate page table pages from DRAM 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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