From: Yu Zhao <yuzhao@google.com>
To: linux-mm@kvack.org
Cc: Alex Shi <alex.shi@linux.alibaba.com>,
Andrew Morton <akpm@linux-foundation.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Hillf Danton <hdanton@sina.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Matthew Wilcox <willy@infradead.org>,
Mel Gorman <mgorman@suse.de>, Michal Hocko <mhocko@suse.com>,
Roman Gushchin <guro@fb.com>, Vlastimil Babka <vbabka@suse.cz>,
Wei Yang <richard.weiyang@linux.alibaba.com>,
Yang Shi <shy828301@gmail.com>,
Ying Huang <ying.huang@intel.com>,
linux-kernel@vger.kernel.org, page-reclaim@google.com,
Yu Zhao <yuzhao@google.com>
Subject: [PATCH v1 13/14] mm: multigenerational lru: Kconfig
Date: Sat, 13 Mar 2021 00:57:46 -0700 [thread overview]
Message-ID: <20210313075747.3781593-14-yuzhao@google.com> (raw)
In-Reply-To: <20210313075747.3781593-1-yuzhao@google.com>
Add configuration options for multigenerational lru.
Signed-off-by: Yu Zhao <yuzhao@google.com>
---
mm/Kconfig | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/mm/Kconfig b/mm/Kconfig
index 24c045b24b95..3a5bcc2d7a45 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -872,4 +872,33 @@ config MAPPING_DIRTY_HELPERS
config KMAP_LOCAL
bool
+config LRU_GEN
+ bool "Multigenerational LRU"
+ depends on MMU
+ help
+ High performance multigenerational LRU to heavily overcommit workloads
+ that are not IO bound. See Documentation/vm/multigen_lru.rst for
+ details.
+
+ Warning: do not enable this option unless you plan to use it because
+ it introduces a small per-process memory overhead.
+
+config NR_LRU_GENS
+ int "Max number of generations"
+ depends on LRU_GEN
+ range 4 63
+ default 7
+ help
+ This will use ilog2(N)+1 spare bits from page flags.
+
+ Warning: do not use numbers larger than necessary because each
+ generation introduces a small per-node and per-memcg memory overhead.
+
+config LRU_GEN_ENABLED
+ bool "Turn on by default"
+ depends on LRU_GEN
+ help
+ The default value of /sys/kernel/mm/lru_gen/enabled is 0. This option
+ changes it to 1.
+
endmenu
--
2.31.0.rc2.261.g7f71774620-goog
next prev parent reply other threads:[~2021-03-13 7:58 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-13 7:57 [PATCH v1 00/14] Multigenerational LRU Yu Zhao
2021-03-13 7:57 ` [PATCH v1 01/14] include/linux/memcontrol.h: do not warn in page_memcg_rcu() if !CONFIG_MEMCG Yu Zhao
2021-03-13 15:09 ` Matthew Wilcox
2021-03-14 7:45 ` Yu Zhao
2021-03-13 7:57 ` [PATCH v1 02/14] include/linux/nodemask.h: define next_memory_node() if !CONFIG_NUMA Yu Zhao
2021-03-13 7:57 ` [PATCH v1 03/14] include/linux/huge_mm.h: define is_huge_zero_pmd() if !CONFIG_TRANSPARENT_HUGEPAGE Yu Zhao
2021-03-13 7:57 ` [PATCH v1 04/14] include/linux/cgroup.h: export cgroup_mutex Yu Zhao
2021-03-13 7:57 ` [PATCH v1 05/14] mm/swap.c: export activate_page() Yu Zhao
2021-03-13 7:57 ` [PATCH v1 06/14] mm, x86: support the access bit on non-leaf PMD entries Yu Zhao
2021-03-14 22:12 ` Zi Yan
2021-03-14 22:51 ` Matthew Wilcox
2021-03-15 0:03 ` Yu Zhao
2021-03-15 0:27 ` Zi Yan
2021-03-15 1:04 ` Yu Zhao
2021-03-14 23:22 ` Dave Hansen
2021-03-15 3:16 ` Yu Zhao
2021-03-13 7:57 ` [PATCH v1 07/14] mm/pagewalk.c: add pud_entry_post() for post-order traversals Yu Zhao
2021-03-13 7:57 ` [PATCH v1 08/14] mm/vmscan.c: refactor shrink_node() Yu Zhao
2021-03-13 7:57 ` [PATCH v1 09/14] mm: multigenerational lru: mm_struct list Yu Zhao
2021-03-15 19:40 ` Rik van Riel
2021-03-16 2:07 ` Huang, Ying
2021-03-16 3:57 ` Yu Zhao
2021-03-16 6:44 ` Huang, Ying
2021-03-16 7:56 ` Yu Zhao
2021-03-17 3:37 ` Huang, Ying
2021-03-17 10:46 ` Yu Zhao
2021-03-22 3:13 ` Huang, Ying
2021-03-22 8:08 ` Yu Zhao
2021-03-24 6:58 ` Huang, Ying
2021-04-10 18:48 ` Yu Zhao
2021-04-13 3:06 ` Huang, Ying
2021-03-13 7:57 ` [PATCH v1 10/14] mm: multigenerational lru: core Yu Zhao
2021-03-15 2:02 ` Andi Kleen
2021-03-15 3:37 ` Yu Zhao
2021-03-13 7:57 ` [PATCH v1 11/14] mm: multigenerational lru: page activation Yu Zhao
2021-03-16 16:34 ` Matthew Wilcox
2021-03-16 21:29 ` Yu Zhao
2021-03-13 7:57 ` [PATCH v1 12/14] mm: multigenerational lru: user space interface Yu Zhao
2021-03-13 12:23 ` kernel test robot
2021-03-13 7:57 ` Yu Zhao [this message]
2021-03-13 12:53 ` [PATCH v1 13/14] mm: multigenerational lru: Kconfig kernel test robot
2021-03-13 13:36 ` kernel test robot
2021-03-13 7:57 ` [PATCH v1 14/14] mm: multigenerational lru: documentation Yu Zhao
2021-03-19 9:31 ` Alex Shi
2021-03-22 6:09 ` Yu Zhao
2021-03-14 22:48 ` [PATCH v1 00/14] Multigenerational LRU Zi Yan
2021-03-15 0:52 ` Yu Zhao
2021-03-15 1:13 ` Hillf Danton
2021-03-15 6:49 ` Yu Zhao
2021-03-15 18:00 ` Dave Hansen
2021-03-16 2:24 ` Yu Zhao
2021-03-16 14:50 ` Dave Hansen
2021-03-16 20:30 ` Yu Zhao
2021-03-16 21:14 ` Dave Hansen
2021-04-10 9:21 ` Yu Zhao
2021-04-13 3:02 ` Huang, Ying
2021-04-13 23:00 ` Yu Zhao
2021-03-15 18:38 ` Yang Shi
2021-03-16 3:38 ` Yu Zhao
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