From: Matthew Wilcox <willy@infradead.org>
To: Dave Hansen <dave.hansen@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Huang Ying <ying.huang@intel.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Dave Hansen <dave.hansen@linux.intel.com>,
yang.shi@linux.alibaba.com, rientjes@google.com,
dan.j.williams@intel.com, david@redhat.com, osalvador@suse.de,
weixugc@google.com, Michal Hocko <mhocko@suse.com>,
Yang Shi <shy828301@gmail.com>, Zi Yan <ziy@nvidia.com>
Subject: Re: [PATCH -V10 0/9] Migrate Pages in lieu of discard
Date: Fri, 16 Jul 2021 02:10:51 +0100 [thread overview]
Message-ID: <YPDcmzSq2YKS9jZ9@casper.infradead.org> (raw)
In-Reply-To: <e571c5d8-4be3-c983-dcc2-aff5217aa055@intel.com>
On Thu, Jul 15, 2021 at 02:42:07PM -0700, Dave Hansen wrote:
> The end game for auto-migration is to on by default, wherever these
> hardware configurations show up. Just like THP, I expect this to be
> broadly useful. But, given the breadth of our user base, I also expect
> it to be nasty for a minority of users. They'll need a way to turn it
> off, and hopefully they'll also provide feedback so that, if possible,
> we can improve the default behavior and bring them back into the fold.
... or if the THP experience is anything to go by, they continue to
shout loudly about how borken it is for a decade ;-(
next prev parent reply other threads:[~2021-07-16 1:12 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-15 5:51 [PATCH -V10 0/9] Migrate Pages in lieu of discard Huang Ying
2021-07-15 5:51 ` [PATCH -V10 1/9] mm/numa: automatically generate node migration order Huang Ying
2021-07-15 17:52 ` Zi Yan
2021-07-15 5:51 ` [PATCH -V10 2/9] mm/migrate: update node demotion order on hotplug events Huang Ying
2021-07-15 18:00 ` Zi Yan
2021-07-15 5:51 ` [PATCH -V10 3/9] mm/migrate: enable returning precise migrate_pages() success count Huang Ying
2021-07-15 18:02 ` Zi Yan
2021-07-15 5:51 ` [PATCH -V10 4/9] mm/migrate: demote pages during reclaim Huang Ying
2021-07-15 5:51 ` [PATCH -V10 5/9] mm/vmscan: add page demotion counter Huang Ying
2021-07-15 5:51 ` [PATCH -V10 6/9] mm/vmscan: add helper for querying ability to age anonymous pages Huang Ying
2021-07-15 5:51 ` [PATCH -V10 7/9] mm/vmscan: Consider anonymous pages without swap Huang Ying
2021-07-15 5:51 ` [PATCH -V10 8/9] mm/vmscan: never demote for memcg reclaim Huang Ying
2021-07-15 5:51 ` [PATCH -V10 9/9] mm/migrate: add sysfs interface to enable reclaim migration Huang Ying
2021-07-15 19:38 ` [PATCH -V10 0/9] Migrate Pages in lieu of discard Andrew Morton
2021-07-15 21:42 ` Dave Hansen
2021-07-16 1:10 ` Matthew Wilcox [this message]
2021-07-16 3:32 ` Huang, Ying
2021-07-16 3:54 ` Andrew Morton
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