From: David Hildenbrand <david@redhat.com>
To: Zhangrenze <zhang.renze@h3c.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>
Cc: "arnd@arndb.de" <arnd@arndb.de>,
"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
"chris@zankel.net" <chris@zankel.net>,
"jcmvbkbc@gmail.com" <jcmvbkbc@gmail.com>,
"James.Bottomley@HansenPartnership.com"
<James.Bottomley@HansenPartnership.com>,
"deller@gmx.de" <deller@gmx.de>,
"linux-parisc@vger.kernel.org" <linux-parisc@vger.kernel.org>,
"tsbogend@alpha.franken.de" <tsbogend@alpha.franken.de>,
"rdunlap@infradead.org" <rdunlap@infradead.org>,
"bhelgaas@google.com" <bhelgaas@google.com>,
"linux-mips@vger.kernel.org" <linux-mips@vger.kernel.org>,
"richard.henderson@linaro.org" <richard.henderson@linaro.org>,
"ink@jurassic.park.msu.ru" <ink@jurassic.park.msu.ru>,
"mattst88@gmail.com" <mattst88@gmail.com>,
"linux-alpha@vger.kernel.org" <linux-alpha@vger.kernel.org>,
Jiaoxupo <jiaoxupo@h3c.com>, Zhouhaofan <zhou.haofan@h3c.com>
Subject: Re: [PATCH v2 0/1] mm: introduce MADV_DEMOTE/MADV_PROMOTE
Date: Thu, 1 Aug 2024 15:05:53 +0200 [thread overview]
Message-ID: <2a74db22-f2a4-4a14-8091-1e56962a6fa8@redhat.com> (raw)
In-Reply-To: <bffe178c-bd97-4945-898e-97ba203f503e@redhat.com>
>> 4. MADV_DEMOTE and MADV_PROMOTE provide a better balance between capacity
>> and latency. They allow hot pages that need promoting to be promoted
>> smoothly and pages that need demoting to be demoted immediately. This
>> helps tiered memory systems to operate more rationally.
>
> Can you summarize why something similar could not be provided by a
> library that builds up on existing functionality, such as migrate_pages?
Sorry, I actually wanted to refer to "move_pages", not "migrate_pages".
--
Cheers,
David / dhildenb
next prev parent reply other threads:[~2024-08-01 13:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-01 9:57 Zhangrenze
2024-08-01 12:53 ` David Hildenbrand
2024-08-01 13:05 ` David Hildenbrand [this message]
-- strict thread matches above, loose matches on Subject: below --
2024-08-01 7:56 BiscuitOS Broiler
2024-08-01 8:06 ` David Hildenbrand
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