From: Dave Hansen <dave.hansen@intel.com>
To: Yang Shi <shy828301@gmail.com>,
Dave Hansen <dave.hansen@linux.intel.com>
Cc: Linux MM <linux-mm@kvack.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
weixugc@google.com, Yang Shi <yang.shi@linux.alibaba.com>,
David Rientjes <rientjes@google.com>,
Huang Ying <ying.huang@intel.com>,
Dan Williams <dan.j.williams@intel.com>,
Oscar Salvador <osalvador@suse.de>
Subject: Re: [PATCH 05/10] mm/migrate: demote pages during reclaim
Date: Thu, 1 Apr 2021 15:58:27 -0700 [thread overview]
Message-ID: <ceede4fc-dbaa-e3fa-43c5-8ed49f93ca98@intel.com> (raw)
In-Reply-To: <CAHbLzkoHb_cLe6ORWeD=3P6tgZc-5AJJTyjWGivCenciUmoByw@mail.gmail.com>
On 4/1/21 1:01 PM, Yang Shi wrote:
> On Thu, Apr 1, 2021 at 11:35 AM Dave Hansen <dave.hansen@linux.intel.com> wrote:
>>
>>
>> From: Dave Hansen <dave.hansen@linux.intel.com>
>>
>> This is mostly derived from a patch from Yang Shi:
>>
>> https://lore.kernel.org/linux-mm/1560468577-101178-10-git-send-email-yang.shi@linux.alibaba.com/
>>
>> Add code to the reclaim path (shrink_page_list()) to "demote" data
>> to another NUMA node instead of discarding the data. This always
>> avoids the cost of I/O needed to read the page back in and sometimes
>> avoids the writeout cost when the pagee is dirty.
>
> s/pagee/page
>
>>
>> A second pass through shrink_page_list() will be made if any demotions
>> fail. This essentally falls back to normal reclaim behavior in the
>
> s/essentally/essentially
>
>> case that demotions fail. Previous versions of this patch may have
>> simply failed to reclaim pages which were eligible for demotion but
>> were unable to be demoted in practice.
>>
>> Note: This just adds the start of infratructure for migration. It is
>
> s/infratructure/infrastructure
Thanks for finding those! I somehow got really sloppy in this patch. I
scanned the rest of the descriptions and don't see any more obvious
typos/misspellings.
>> +static struct page *alloc_demote_page(struct page *page, unsigned long node)
>> +{
>> + struct migration_target_control mtc = {
>> + /*
>> + * Allocate from 'node', or fail the quickly and quietly.
>> + * When this happens, 'page; will likely just be discarded
>
> s/'page;/'page'
Fixed. Thanks for the review tag!
next prev parent reply other threads:[~2021-04-01 22:58 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-01 18:32 [PATCH 00/10] [v7][RESEND] Migrate Pages in lieu of discard Dave Hansen
2021-04-01 18:32 ` [PATCH 01/10] mm/numa: node demotion data structure and lookup Dave Hansen
2021-04-08 8:03 ` Oscar Salvador
2021-04-08 21:29 ` Dave Hansen
2021-04-09 5:32 ` Wei Xu
2021-04-01 18:32 ` [PATCH 02/10] mm/numa: automatically generate node migration order Dave Hansen
2021-04-08 8:26 ` Oscar Salvador
2021-04-08 21:51 ` Dave Hansen
2021-04-09 8:17 ` Oscar Salvador
2021-04-10 3:07 ` Wei Xu
2021-04-14 8:08 ` Oscar Salvador
2021-04-14 8:11 ` Oscar Salvador
2021-04-14 8:12 ` David Hildenbrand
2021-04-14 8:14 ` Oscar Salvador
2021-04-14 8:20 ` David Hildenbrand
2021-04-15 4:07 ` Wei Xu
2021-04-15 15:35 ` Dave Hansen
2021-04-15 20:25 ` Wei Xu
2021-04-01 18:32 ` [PATCH 03/10] mm/migrate: update node demotion order during on hotplug events Dave Hansen
2021-04-08 9:52 ` Oscar Salvador
2021-04-09 10:14 ` Oscar Salvador
2021-04-09 10:15 ` Oscar Salvador
2021-04-09 18:59 ` David Hildenbrand
2021-04-12 7:19 ` Oscar Salvador
2021-04-12 9:19 ` David Hildenbrand
2021-04-01 18:32 ` [PATCH 04/10] mm/migrate: make migrate_pages() return nr_succeeded Dave Hansen
2021-04-01 22:35 ` Wei Xu
2021-04-01 23:21 ` Dave Hansen
2021-04-01 22:39 ` Wei Xu
2021-04-08 10:14 ` Oscar Salvador
2021-04-08 17:26 ` Yang Shi
2021-04-08 18:17 ` Oscar Salvador
2021-04-08 18:21 ` Oscar Salvador
2021-04-08 20:40 ` Yang Shi
2021-04-09 5:06 ` Oscar Salvador
2021-04-09 5:43 ` Wei Xu
2021-04-09 15:43 ` Yang Shi
2021-04-09 15:50 ` Dave Hansen
2021-04-09 18:47 ` Wei Xu
2021-04-09 20:10 ` Yang Shi
2021-04-01 18:32 ` [PATCH 05/10] mm/migrate: demote pages during reclaim Dave Hansen
2021-04-01 20:01 ` Yang Shi
2021-04-01 22:58 ` Dave Hansen [this message]
2021-04-08 10:47 ` Oscar Salvador
2021-04-10 3:35 ` Wei Xu
2021-04-01 18:32 ` [PATCH 06/10] mm/vmscan: add page demotion counter Dave Hansen
2021-04-10 3:40 ` Wei Xu
2021-04-01 18:32 ` [PATCH 07/10] mm/vmscan: add helper for querying ability to age anonymous pages Dave Hansen
2021-04-07 18:40 ` Wei Xu
2021-04-09 8:31 ` Oscar Salvador
2021-04-01 18:32 ` [PATCH 08/10] mm/vmscan: Consider anonymous pages without swap Dave Hansen
2021-04-02 0:55 ` Wei Xu
2021-04-01 18:32 ` [PATCH 09/10] mm/vmscan: never demote for memcg reclaim Dave Hansen
2021-04-02 0:18 ` Wei Xu
2021-04-01 18:32 ` [PATCH 10/10] mm/migrate: new zone_reclaim_mode to enable reclaim migration Dave Hansen
2021-04-01 20:06 ` Yang Shi
2021-04-10 4:10 ` Wei Xu
2021-04-16 12:35 ` [PATCH 00/10] [v7][RESEND] Migrate Pages in lieu of discard Michal Hocko
2021-04-16 14:26 ` Dave Hansen
2021-04-16 15:02 ` Michal Hocko
2021-04-21 2:39 ` Huang, Ying
2021-05-07 6:14 ` Huang, Ying
-- strict thread matches above, loose matches on Subject: below --
2021-03-04 23:59 [PATCH 00/10] [v6] " Dave Hansen
2021-03-04 23:59 ` [PATCH 05/10] mm/migrate: demote pages during reclaim Dave Hansen
2021-03-09 0:10 ` Yang Shi
2021-03-09 23:05 ` Dave Hansen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ceede4fc-dbaa-e3fa-43c5-8ed49f93ca98@intel.com \
--to=dave.hansen@intel.com \
--cc=dan.j.williams@intel.com \
--cc=dave.hansen@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=osalvador@suse.de \
--cc=rientjes@google.com \
--cc=shy828301@gmail.com \
--cc=weixugc@google.com \
--cc=yang.shi@linux.alibaba.com \
--cc=ying.huang@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).