From: "David Hildenbrand (Arm)" <david@kernel.org>
To: kasong@tencent.com, linux-mm@kvack.org
Cc: Lorenzo Stoakes <ljs@kernel.org>,
"Liam R. Howlett" <liam@infradead.org>,
Vlastimil Babka <vbabka@kernel.org>,
Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Matthew Wilcox <willy@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>, Qi Zheng <qi.zheng@linux.dev>,
Shakeel Butt <shakeel.butt@linux.dev>,
Barry Song <baohua@kernel.org>,
Axel Rasmussen <axelrasmussen@google.com>,
Yuanchu Xie <yuanchu@google.com>, Wei Xu <weixugc@google.com>,
Baoquan He <baoquan.he@linux.dev>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Zi Yan <ziy@nvidia.com>, 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>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH RFC 0/8] mm/huge_memory: clean up and speed up large folio splitting
Date: Fri, 13 Nov 2026 22:40:31 +0100 [thread overview]
Message-ID: <0cff8050-24ef-47ff-b107-70a5acdea631@kernel.org> (raw)
In-Reply-To: <20261114-swap-thp-split-v1-0-dfa8d4fa448d@tencent.com>
On 11/13/26 22:26, Kairui Song via B4 Relay wrote:
> Hi all,
>
> This series slghtly cleans up the large folio split path and reduces
> its overhead: uniformly splitting PMD sized file folios to order 0
> is over 20% faster.
I expect (well, and I have) some fixes in that area, so we better hold this off
for the next week.
--
Cheers,
David
next prev parent reply other threads:[~2026-11-13 21:40 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-13 21:26 [PATCH RFC 0/8] mm/huge_memory: clean up and speed up large folio splitting Kairui Song via B4 Relay
2026-11-13 21:26 ` Kairui Song
2026-11-13 21:26 ` [PATCH RFC 1/8] mm: add folio_prev() Kairui Song via B4 Relay
2026-11-13 21:26 ` Kairui Song
2026-11-13 21:26 ` [PATCH RFC 2/8] xarray: add xas_prev_canonical() Kairui Song via B4 Relay
2026-11-13 21:26 ` Kairui Song
2026-11-13 21:26 ` [PATCH RFC 3/8] mm/huge_memory: avoid an unnecessary folio size reading Kairui Song via B4 Relay
2026-11-13 21:26 ` Kairui Song
2026-11-13 21:26 ` [PATCH RFC 4/8] mm/huge_memory: walk the after-split file folios in reverse order Kairui Song via B4 Relay
2026-11-13 21:26 ` Kairui Song
2026-11-13 21:26 ` [PATCH RFC 5/8] mm/huge_memory: publish split folios by walking backwards Kairui Song via B4 Relay
2026-11-13 21:26 ` Kairui Song
2026-11-13 21:26 ` [PATCH RFC 6/8] mm/huge_memory: rearrange split routine handling for better optimization Kairui Song via B4 Relay
2026-11-13 21:26 ` Kairui Song
2026-11-13 21:26 ` [PATCH RFC 7/8] mm/huge_memory: walk the after-split anon folios in reverse order Kairui Song via B4 Relay
2026-11-13 21:26 ` Kairui Song
2026-11-13 21:26 ` [PATCH RFC 8/8] mm/huge_memory: walk the folios reversely for the release loop Kairui Song via B4 Relay
2026-11-13 21:26 ` Kairui Song
2026-11-13 21:40 ` David Hildenbrand (Arm) [this message]
2026-11-13 21:46 ` [PATCH RFC 0/8] mm/huge_memory: clean up and speed up large folio splitting Kairui Song
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