From: Matthew Wilcox <willy@infradead.org>
To: Usama Arif <usamaarif642@gmail.com>
Cc: Zi Yan <ziy@nvidia.com>, Kiryl Shutsemau <kas@kernel.org>,
lorenzo.stoakes@oracle.com,
Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>,
linux-mm@kvack.org, hannes@cmpxchg.org, riel@surriel.com,
shakeel.butt@linux.dev, baohua@kernel.org, dev.jain@arm.com,
baolin.wang@linux.alibaba.com, npache@redhat.com,
Liam.Howlett@oracle.com, ryan.roberts@arm.com, vbabka@suse.cz,
lance.yang@linux.dev, linux-kernel@vger.kernel.org,
kernel-team@meta.com
Subject: Re: [RFC 01/12] mm: add PUD THP ptdesc and rmap support
Date: Thu, 5 Feb 2026 04:17:19 +0000 [thread overview]
Message-ID: <aYQZzw8kJFsy1mMW@casper.infradead.org> (raw)
In-Reply-To: <05d5918f-b61b-4091-b8c6-20eebfffc3c4@gmail.com>
On Tue, Feb 03, 2026 at 02:07:25PM -0800, Usama Arif wrote:
> Ah I should have looked at your patches more! I started working by just using lru
> and was using list_add/list_del which was ofcourse corrupting the list and took me
> way more time than I would like to admit to debug what was going on! The diagrams
> in your 2nd link are really useful. I ended up drawing by hand those to debug
> the corruption issue. I will point to that link in the next series :)
>
> How about something like the below diff over this patch? (Not included the comment
> changes that I will make everywhere)
Why are you even talking about "the next series"? The approach is
wrong. You need to put this POC aside and solve the problems that
you've bypassed to create this POC.
next prev parent reply other threads:[~2026-02-05 4:17 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-02 0:50 [RFC 00/12] mm: PUD (1GB) THP implementation Usama Arif
2026-02-02 0:50 ` [RFC 01/12] mm: add PUD THP ptdesc and rmap support Usama Arif
2026-02-02 10:44 ` Kiryl Shutsemau
2026-02-02 16:01 ` Zi Yan
2026-02-03 22:07 ` Usama Arif
2026-02-05 4:17 ` Matthew Wilcox [this message]
2026-02-05 4:21 ` Matthew Wilcox
2026-02-05 5:13 ` Usama Arif
2026-02-05 17:40 ` David Hildenbrand (Arm)
2026-02-05 18:05 ` Usama Arif
2026-02-05 18:11 ` Usama Arif
2026-02-02 12:15 ` Lorenzo Stoakes
2026-02-04 7:38 ` Usama Arif
2026-02-04 12:55 ` Lorenzo Stoakes
2026-02-05 6:40 ` Usama Arif
2026-02-02 0:50 ` [RFC 02/12] mm/thp: add mTHP stats infrastructure for PUD THP Usama Arif
2026-02-02 11:56 ` Lorenzo Stoakes
2026-02-05 5:53 ` Usama Arif
2026-02-02 0:50 ` [RFC 03/12] mm: thp: add PUD THP allocation and fault handling Usama Arif
2026-02-02 0:50 ` [RFC 04/12] mm: thp: implement PUD THP split to PTE level Usama Arif
2026-02-02 0:50 ` [RFC 05/12] mm: thp: add reclaim and migration support for PUD THP Usama Arif
2026-02-02 0:50 ` [RFC 06/12] selftests/mm: add PUD THP basic allocation test Usama Arif
2026-02-02 0:50 ` [RFC 07/12] selftests/mm: add PUD THP read/write access test Usama Arif
2026-02-02 0:50 ` [RFC 08/12] selftests/mm: add PUD THP fork COW test Usama Arif
2026-02-02 0:50 ` [RFC 09/12] selftests/mm: add PUD THP partial munmap test Usama Arif
2026-02-02 0:50 ` [RFC 10/12] selftests/mm: add PUD THP mprotect split test Usama Arif
2026-02-02 0:50 ` [RFC 11/12] selftests/mm: add PUD THP reclaim test Usama Arif
2026-02-02 0:50 ` [RFC 12/12] selftests/mm: add PUD THP migration test Usama Arif
2026-02-02 2:44 ` [RFC 00/12] mm: PUD (1GB) THP implementation Rik van Riel
2026-02-02 11:30 ` Lorenzo Stoakes
2026-02-02 15:50 ` Zi Yan
2026-02-04 10:56 ` Lorenzo Stoakes
2026-02-05 11:29 ` David Hildenbrand (arm)
2026-02-05 11:22 ` David Hildenbrand (arm)
2026-02-02 4:00 ` Matthew Wilcox
2026-02-02 9:06 ` David Hildenbrand (arm)
2026-02-03 21:11 ` Usama Arif
2026-02-02 11:20 ` Lorenzo Stoakes
2026-02-04 1:00 ` Usama Arif
2026-02-04 11:08 ` Lorenzo Stoakes
2026-02-04 11:50 ` Dev Jain
2026-02-04 12:01 ` Dev Jain
2026-02-05 6:08 ` Usama Arif
2026-02-02 16:24 ` Zi Yan
2026-02-03 23:29 ` Usama Arif
2026-02-04 0:08 ` Frank van der Linden
2026-02-05 5:46 ` Usama Arif
2026-02-05 18:07 ` Zi Yan
2026-02-07 23:22 ` Usama Arif
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