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[PATCH Anolis tiered-memory 0/6] NUMA balancing: optimize memory placement for memory tiering system

by zhongjiang-ali

The patch come from upstream contributed by Huang Ying to optimize memory placement for memory tiering system. I review and backport the patches to anolis-4.19. More details can see in following link. https://lkml.org/lkml/2021/12/6/2203 Huang Ying (6): NUMA Balancing: add page promotion counter NUMA balancing: optimize page placement for memory tiering system memory tiering: skip to scan fast memory memory tiering: hot page selection with hint page fault latency memory tiering: rate limit NUMA migration throughput memory tiering: adjust hot threshold automatically Documentation/sysctl/kernel.txt | 32 ++++++--- include/linux/mm.h | 29 ++++++++ include/linux/mmzone.h | 11 +++ include/linux/node.h | 5 ++ include/linux/sched/sysctl.h | 16 +++++ kernel/sched/core.c | 36 ++++++++-- kernel/sched/fair.c | 146 ++++++++++++++++++++++++++++++++++++++++ kernel/sysctl.c | 19 +++++- mm/huge_memory.c | 42 +++++++++--- mm/memory.c | 11 ++- mm/migrate.c | 44 ++++++++++-- mm/mmzone.c | 17 +++++ mm/mprotect.c | 19 +++++- mm/vmscan.c | 16 +++++ mm/vmstat.c | 4 ++ 15 files changed, 414 insertions(+), 33 deletions(-) -- 1.8.3.1

3 years

[PATCH 00/17] Support page demotion on tiered memory system

by Baolin Wang

Hi, This patch set backported several patches from mainline to support page demotion for tiered memory system. Please find more details in each patch. Thanks. Baolin Wang (3): anolis: mm: migrate: introduce a standard migration target allocation function mm: migrate: support multiple target nodes demotion mm: migrate: add more comments for selecting target node randomly Dave Hansen (7): mm/numa: automatically generate node migration order mm/migrate: update node demotion order on hotplug events mm/migrate: demote pages during reclaim mm/vmscan: add helper for querying ability to age anonymous pages mm/vmscan: never demote for memcg reclaim mm/migrate: optimize hotplug-time demotion order updates mm/migrate: add CPU hotplug to demotion #ifdef Huang Ying (3): mm/migrate: add sysfs interface to enable reclaim migration mm/migrate: fix CPUHP state to update node demotion order mm/migrate: move node demotion code to near its user Keith Busch (1): mm/vmscan: Consider anonymous pages without swap Yang Shi (3): mm/migrate: enable returning precise migrate_pages() success count mm/vmscan: add page demotion counter mm: migrate: make demotion knob depend on migration Documentation/ABI/testing/sysfs-kernel-mm-numa | 24 ++ include/linux/cpuhotplug.h | 4 + include/linux/memory.h | 5 +- include/linux/mempolicy.h | 1 + include/linux/migrate.h | 18 +- include/linux/vm_event_item.h | 2 + include/trace/events/migrate.h | 3 +- mm/compaction.c | 2 +- mm/internal.h | 6 + mm/memory-failure.c | 4 +- mm/memory_hotplug.c | 2 +- mm/mempolicy.c | 4 +- mm/migrate.c | 530 ++++++++++++++++++++++++- mm/page_alloc.c | 4 +- mm/page_ext.c | 4 +- mm/slab.c | 4 +- mm/vmscan.c | 136 ++++++- mm/vmstat.c | 2 + 18 files changed, 730 insertions(+), 25 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-kernel-mm-numa -- 1.8.3.1

3 years

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