From: Nhat Pham <nphamcs@gmail.com>
To: linux-mm@kvack.org
Cc: akpm@linux-foundation.org, hannes@cmpxchg.org, hughd@google.com,
yosry.ahmed@linux.dev, mhocko@kernel.org,
roman.gushchin@linux.dev, shakeel.butt@linux.dev,
muchun.song@linux.dev, len.brown@intel.com,
chengming.zhou@linux.dev, kasong@tencent.com, chrisl@kernel.org,
huang.ying.caritas@gmail.com, ryan.roberts@arm.com,
viro@zeniv.linux.org.uk, baohua@kernel.org, osalvador@suse.de,
lorenzo.stoakes@oracle.com, christophe.leroy@csgroup.eu,
pavel@kernel.org, kernel-team@meta.com,
linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
linux-pm@vger.kernel.org, peterx@redhat.com
Subject: Re: [RFC PATCH v2 00/18] Virtual Swap Space
Date: Tue, 29 Apr 2025 16:51:36 -0700 [thread overview]
Message-ID: <CAKEwX=Mea5V6CKcGuQrYfCQAKErgbje1s0fThjkgCwZXgF-d2A@mail.gmail.com> (raw)
In-Reply-To: <20250429233848.3093350-1-nphamcs@gmail.com>
On Tue, Apr 29, 2025 at 4:38 PM Nhat Pham <nphamcs@gmail.com> wrote:
>
> Changelog:
> * v2:
> * Use a single atomic type (swap_refs) for reference counting
> purpose. This brings the size of the swap descriptor from 64 KB
> down to 48 KB (25% reduction). Suggested by Yosry Ahmed.
bytes, not kilobytes. 48KB would be an INSANE overhead :)
Apologies for the brainfart.
next prev parent reply other threads:[~2025-04-30 0:30 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-29 23:38 Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 01/18] swap: rearrange the swap header file Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 02/18] swapfile: rearrange functions Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 03/18] swapfile: rearrange freeing steps Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 04/18] mm: swap: add an abstract API for locking out swapoff Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 05/18] mm: swap: add a separate type for physical swap slots Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 06/18] mm: create scaffolds for the new virtual swap implementation Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 07/18] mm: swap: zswap: swap cache and zswap support for virtualized swap Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 08/18] mm: swap: allocate a virtual swap slot for each swapped out page Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 09/18] swap: implement the swap_cgroup API using virtual swap Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 10/18] swap: manage swap entry lifetime at the virtual swap layer Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 11/18] mm: swap: temporarily disable THP swapin and batched freeing swap Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 12/18] mm: swap: decouple virtual swap slot from backing store Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 13/18] zswap: do not start zswap shrinker if there is no physical swap slots Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 14/18] memcg: swap: only charge " Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 15/18] vswap: support THP swapin and batch free_swap_and_cache Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 16/18] swap: simplify swapoff using virtual swap Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 17/18] swapfile: move zeromap setup out of enable_swap_info Nhat Pham
2025-04-29 23:38 ` [RFC PATCH v2 18/18] swapfile: remove zeromap in virtual swap implementation Nhat Pham
2025-04-29 23:51 ` Nhat Pham [this message]
2025-05-30 6:47 ` [RFC PATCH v2 00/18] Virtual Swap Space YoungJun Park
2025-05-30 16:52 ` Nhat Pham
2025-05-30 16:54 ` Nhat Pham
2025-06-01 12:56 ` YoungJun Park
2025-06-01 16:14 ` Kairui Song
2025-06-02 15:17 ` YoungJun Park
2025-06-02 18:29 ` Nhat Pham
2025-06-03 9:50 ` Kairui Song
2025-06-01 21:08 ` Nhat Pham
2025-06-02 15:03 ` YoungJun Park
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