From: Andrew Morton <akpm@linux-foundation.org>
To: Tal Zussman <tz2294@columbia.edu>
Cc: Chris Li <chrisl@kernel.org>, Kairui Song <kasong@tencent.com>,
Kemeng Shi <shikemeng@huaweicloud.com>,
Nhat Pham <nphamcs@gmail.com>, Baoquan He <baoquan.he@linux.dev>,
Barry Song <baohua@kernel.org>,
Youngjun Park <youngjun.park@lge.com>,
David Hildenbrand <david@kernel.org>, Zi Yan <ziy@nvidia.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
"Liam R. Howlett" <liam@infradead.org>,
Nico Pache <nico.pache@linux.dev>,
Ryan Roberts <ryan.roberts@arm.com>, Dev Jain <dev.jain@arm.com>,
Lance Yang <lance.yang@linux.dev>,
Usama Arif <usama.arif@linux.dev>,
Kiryl Shutsemau <kas@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>, Rik van Riel <riel@surriel.com>,
Vlastimil Babka <vbabka@kernel.org>, Harry Yoo <harry@kernel.org>,
Jann Horn <jannh@google.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Yosry Ahmed <yosry@kernel.org>,
Chengming Zhou <chengming.zhou@linux.dev>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 0/8] mm: remove page_swap_entry()
Date: Tue, 8 Sep 2026 10:55:12 -0700 [thread overview]
Message-ID: <20260908105512.8854d7972c82b6b6f417b0f8@linux-foundation.org> (raw)
In-Reply-To: <20260908-folio_swap_entry-v2-0-ee6d01dfa5e1@columbia.edu>
On Tue, 08 Sep 2026 11:16:30 -0400 Tal Zussman <tz2294@columbia.edu> wrote:
> A folio in the swap cache occupies folio_nr_pages() contiguous swap
> entries starting at folio->swap, so a page's swap entry is just
> folio->swap plus the page's index in the folio. The swap entry is
> folio state, but the only helper for it is page-based:
> page_swap_entry() takes a page and recomputes the folio its callers
> already hold. Several callers avoid it by open-coding the arithmetic
> on folio->swap instead.
>
> Add folio_swap_entry() and folio_page_swap_entry(), convert all users,
> and remove page_swap_entry(), with a few other cleanups along the way.
Thanks, I'll queue this for testing and further review.
prev parent reply other threads:[~2026-09-08 17:55 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-08 15:16 [PATCH v2 0/8] mm: remove page_swap_entry() Tal Zussman
2026-09-08 15:16 ` [PATCH v2 1/8] mm/swap: add folio_swap_entry() and folio_page_swap_entry() Tal Zussman
2026-09-09 14:00 ` David Hildenbrand (Arm)
2026-09-09 17:21 ` Tal Zussman
2026-09-09 17:25 ` David Hildenbrand (Arm)
2026-09-13 21:52 ` Tal Zussman
2026-09-14 10:39 ` David Hildenbrand (Arm)
2026-09-08 15:16 ` [PATCH v2 2/8] mm/huge_memory: add a comment to the open-coded swap entry Tal Zussman
2026-09-08 15:26 ` Zi Yan
2026-09-09 13:52 ` David Hildenbrand (Arm)
2026-09-08 15:16 ` [PATCH v2 3/8] mm/rmap: use folio_page_swap_entry() in ttu_anon_swapbacked_folio() Tal Zussman
2026-09-09 14:00 ` David Hildenbrand (Arm)
2026-09-08 15:16 ` [PATCH v2 4/8] mm/zswap: use folio_swap_entry() in zswap_store_page() Tal Zussman
2026-09-09 14:00 ` David Hildenbrand (Arm)
2026-09-08 15:16 ` [PATCH v2 5/8] mm/swapfile: use folio_page_swap_entry() Tal Zussman
2026-09-09 14:01 ` David Hildenbrand (Arm)
2026-09-08 15:16 ` [PATCH v2 6/8] arm64: mte: make mte_save_tags() and mte_restore_tags() static Tal Zussman
2026-09-09 14:01 ` David Hildenbrand (Arm)
2026-09-08 15:16 ` [PATCH v2 7/8] arm64: mte: pass the swap entry to mte_save_tags() Tal Zussman
2026-09-09 14:06 ` David Hildenbrand (Arm)
2026-09-08 15:16 ` [PATCH v2 8/8] mm/swap: remove page_swap_entry() Tal Zussman
2026-09-09 14:06 ` David Hildenbrand (Arm)
2026-09-08 17:55 ` Andrew Morton [this message]
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=20260908105512.8854d7972c82b6b6f417b0f8@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=baohua@kernel.org \
--cc=baolin.wang@linux.alibaba.com \
--cc=baoquan.he@linux.dev \
--cc=catalin.marinas@arm.com \
--cc=chengming.zhou@linux.dev \
--cc=chrisl@kernel.org \
--cc=david@kernel.org \
--cc=dev.jain@arm.com \
--cc=hannes@cmpxchg.org \
--cc=harry@kernel.org \
--cc=jannh@google.com \
--cc=kas@kernel.org \
--cc=kasong@tencent.com \
--cc=lance.yang@linux.dev \
--cc=liam@infradead.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=ljs@kernel.org \
--cc=mark.rutland@arm.com \
--cc=nico.pache@linux.dev \
--cc=nphamcs@gmail.com \
--cc=riel@surriel.com \
--cc=ryan.roberts@arm.com \
--cc=shikemeng@huaweicloud.com \
--cc=tz2294@columbia.edu \
--cc=usama.arif@linux.dev \
--cc=vbabka@kernel.org \
--cc=will@kernel.org \
--cc=yosry@kernel.org \
--cc=youngjun.park@lge.com \
--cc=ziy@nvidia.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.