Re: [PATCH v9 05/14] khugepaged: generalize __collapse_huge_page_* for mTHP support

To: Nico Pache <npache@xxxxxxxxxx>
Subject: Re: [PATCH v9 05/14] khugepaged: generalize __collapse_huge_page_* for mTHP support
From: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
Date: Fri, 25 Jul 2025 17:09:10 +0100
Cc: linux-mm@xxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-trace-kernel@xxxxxxxxxxxxxxx, david@xxxxxxxxxx, ziy@xxxxxxxxxx, baolin.wang@xxxxxxxxxxxxxxxxx, Liam.Howlett@xxxxxxxxxx, ryan.roberts@xxxxxxx, dev.jain@xxxxxxx, corbet@xxxxxxx, rostedt@xxxxxxxxxxx, mhiramat@xxxxxxxxxx, mathieu.desnoyers@xxxxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, baohua@xxxxxxxxxx, willy@xxxxxxxxxxxxx, peterx@xxxxxxxxxx, wangkefeng.wang@xxxxxxxxxx, usamaarif642@xxxxxxxxx, sunnanyong@xxxxxxxxxx, vishal.moola@xxxxxxxxx, thomas.hellstrom@xxxxxxxxxxxxxxx, yang@xxxxxxxxxxxxxxxxxxxxxx, kirill.shutemov@xxxxxxxxxxxxxxx, aarcange@xxxxxxxxxx, raquini@xxxxxxxxxx, anshuman.khandual@xxxxxxx, catalin.marinas@xxxxxxx, tiwai@xxxxxxx, will@xxxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, jack@xxxxxxx, cl@xxxxxxxxxx, jglisse@xxxxxxxxxx, surenb@xxxxxxxxxx, zokeefe@xxxxxxxxxx, hannes@xxxxxxxxxxx, rientjes@xxxxxxxxxx, mhocko@xxxxxxxx, rdunlap@xxxxxxxxxxxxx, hughd@xxxxxxxxxx
In-reply-to: <20250714003207.113275-6-npache@redhat.com>
References: <20250714003207.113275-1-npache@redhat.com> <20250714003207.113275-6-npache@redhat.com>

FYI this seems to conflict on mm-new with Dev's "khugepaged: optimize
__collapse_huge_page_copy_succeeded() by PTE batching" patch.

Follow-Ups:
- Re: [PATCH v9 05/14] khugepaged: generalize __collapse_huge_page_* for mTHP support
  - From: Nico Pache

References:
- [PATCH v9 00/14] khugepaged: mTHP support
  - From: Nico Pache
- [PATCH v9 05/14] khugepaged: generalize __collapse_huge_page_* for mTHP support
  - From: Nico Pache