From: Yosry Ahmed <yosryahmed@google.com>
To: Nhat Pham <nphamcs@gmail.com>
Cc: Barry Song <21cnbao@gmail.com>,
Usama Arif <usamaarif642@gmail.com>,
akpm@linux-foundation.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, Barry Song <v-songbaohua@oppo.com>,
Chengming Zhou <chengming.zhou@linux.dev>,
Johannes Weiner <hannes@cmpxchg.org>,
David Hildenbrand <david@redhat.com>,
Hugh Dickins <hughd@google.com>,
Matthew Wilcox <willy@infradead.org>,
Shakeel Butt <shakeel.butt@linux.dev>,
Andi Kleen <ak@linux.intel.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Chris Li <chrisl@kernel.org>,
"Huang, Ying" <ying.huang@intel.com>,
Kairui Song <kasong@tencent.com>,
Ryan Roberts <ryan.roberts@arm.com>,
joshua.hahnjy@gmail.com
Subject: Re: [PATCH RFC] mm: count zeromap read and set for swapout and swapin
Date: Tue, 29 Oct 2024 10:55:02 -0700 [thread overview]
Message-ID: <CAJD7tkZWVUsQ0iq_kbpszJGtwXj9g=6A3EzxcB52NKBcja1MXQ@mail.gmail.com> (raw)
In-Reply-To: <CAKEwX=Mxh+G=6Yq_gSuSoB3XjpGepYEGPg-eYh1RU_690tGedA@mail.gmail.com>
> FWIW, the swap abstraction layer Yosry proposed last year (and I'm
> working on right now) will allow you to store these zeromapped swap
> entries without requiring any swap slots allocated on the swapfile.
> It's basically the same thing as swap/zswap decoupling.
I don't know if I said this before, but thank you for keeping this
alive. Much appreciated :)
>
> Not stopping you guys from optimizing it, since all I have right now
> is a (most certainly buggy) prototype + there might be benefits if we
> can get around the swap subsystem altogether for these zero mapped
> entries. Just letting you know there's a backup plan :)
next prev parent reply other threads:[~2024-10-29 17:55 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-27 1:19 Barry Song
2024-10-27 2:45 ` Nhat Pham
2024-10-28 2:32 ` Barry Song
2024-10-28 12:23 ` Usama Arif
2024-10-28 16:33 ` Nhat Pham
2024-10-28 17:00 ` Usama Arif
2024-10-28 17:08 ` Yosry Ahmed
2024-10-28 17:19 ` Usama Arif
2024-10-28 19:54 ` Barry Song
2024-10-28 19:58 ` Yosry Ahmed
2024-10-28 20:00 ` Usama Arif
2024-10-28 20:42 ` Barry Song
2024-10-28 20:51 ` Usama Arif
2024-10-28 21:15 ` Barry Song
2024-10-28 21:24 ` Usama Arif
2024-10-28 21:40 ` Barry Song
2024-10-28 21:49 ` Usama Arif
2024-10-28 22:11 ` Barry Song
2024-10-28 22:32 ` Yosry Ahmed
2024-10-28 22:51 ` Barry Song
2024-10-28 22:54 ` Yosry Ahmed
2024-10-28 23:03 ` Barry Song
2024-10-29 17:46 ` Nhat Pham
2024-10-29 17:55 ` Yosry Ahmed [this message]
2024-10-30 23:46 ` Nhat Pham
2024-10-28 16:34 ` Nhat Pham
2024-10-28 17:17 ` David Hildenbrand
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