From: Zi Yan <ziy@nvidia.com>
To: Huang Ying <ying.huang@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Yang Shi <yang.shi@linux.alibaba.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Yang Shi <shy828301@gmail.com>, Wei Xu <weixugc@google.com>,
Michal Hocko <mhocko@suse.com>,
David Rientjes <rientjes@google.com>,
Dan Williams <dan.j.williams@intel.com>,
David Hildenbrand <david@redhat.com>,
Oscar Salvador <osalvador@suse.de>,
Greg Thelen <gthelen@google.com>, Keith Busch <kbusch@kernel.org>
Subject: Re: [PATCH -V11 5/9] mm/vmscan: add page demotion counter
Date: Wed, 21 Jul 2021 17:13:56 -0400 [thread overview]
Message-ID: <6B46E3AD-1504-4F27-B4D7-10BB27479BE4@nvidia.com> (raw)
In-Reply-To: <20210721063926.3024591-5-ying.huang@intel.com>
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On 21 Jul 2021, at 2:39, Huang Ying wrote:
> From: Yang Shi <yang.shi@linux.alibaba.com>
>
> Account the number of demoted pages.
>
> Add pgdemote_kswapd and pgdemote_direct VM counters showed in
> /proc/vmstat.
>
> [ daveh:
> - __count_vm_events() a bit, and made them look at the THP
> size directly rather than getting data from migrate_pages()
> ]
>
> Link: https://lkml.kernel.org/r/20210715055145.195411-6-ying.huang@intel.com
> Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
> Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
> Reviewed-by: Yang Shi <shy828301@gmail.com>
> Reviewed-by: Wei Xu <weixugc@google.com>
> Cc: Michal Hocko <mhocko@suse.com>
> Cc: Zi Yan <ziy@nvidia.com>
> Cc: David Rientjes <rientjes@google.com>
> Cc: Dan Williams <dan.j.williams@intel.com>
> Cc: David Hildenbrand <david@redhat.com>
> Cc: Oscar Salvador <osalvador@suse.de>
> Cc: Greg Thelen <gthelen@google.com>
> Cc: Keith Busch <kbusch@kernel.org>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> ---
> include/linux/vm_event_item.h | 2 ++
> mm/vmscan.c | 5 +++++
> mm/vmstat.c | 2 ++
> 3 files changed, 9 insertions(+)
>
LGTM. Reviewed-by: Zi Yan <ziy@nvidia.com>
—
Best Regards,
Yan, Zi
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next prev parent reply other threads:[~2021-07-21 21:14 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-21 6:39 [PATCH -V11 1/9] mm/numa: automatically generate node migration order Huang Ying
2021-07-21 6:39 ` [PATCH -V11 2/9] mm/migrate: update node demotion order on hotplug events Huang Ying
2022-02-23 23:02 ` Abhishek Goel
2022-02-24 0:05 ` Dave Hansen
2022-02-24 23:37 ` Abhishek Goel
2022-02-25 0:49 ` Dave Hansen
2022-02-25 2:32 ` Huang, Ying
2022-02-25 20:35 ` Abhishek Goel
2022-03-08 10:27 ` Oscar Salvador
2022-03-08 17:07 ` Dave Hansen
2022-03-08 18:56 ` Oscar Salvador
2022-03-09 0:29 ` Huang, Ying
2021-07-21 6:39 ` [PATCH -V11 3/9] mm/migrate: enable returning precise migrate_pages() success count Huang Ying
2021-07-21 6:39 ` [PATCH -V11 4/9] mm/migrate: demote pages during reclaim Huang Ying
2021-07-21 21:11 ` Zi Yan
2021-07-21 6:39 ` [PATCH -V11 5/9] mm/vmscan: add page demotion counter Huang Ying
2021-07-21 21:13 ` Zi Yan [this message]
2021-07-21 6:39 ` [PATCH -V11 6/9] mm/vmscan: add helper for querying ability to age anonymous pages Huang Ying
2021-07-21 21:15 ` Zi Yan
2021-07-21 6:39 ` [PATCH -V11 7/9] mm/vmscan: Consider anonymous pages without swap Huang Ying
2021-07-21 21:21 ` Zi Yan
2021-07-21 6:39 ` [PATCH -V11 8/9] mm/vmscan: never demote for memcg reclaim Huang Ying
2021-07-21 21:38 ` Zi Yan
2021-07-21 21:58 ` Dave Hansen
2021-07-21 21:59 ` Zi Yan
2021-07-21 22:03 ` Yang Shi
2021-07-21 22:03 ` Yang Shi
2021-07-21 6:39 ` [PATCH -V11 9/9] mm/migrate: add sysfs interface to enable reclaim migration Huang Ying
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