linux-kernel - Re: [RFC v2 0/5] mm: introduce THP deferred setting

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <cd75eafc-e20a-4c32-bd29-7ab2c5c03008@gmail.com>
Date: Mon, 17 Feb 2025 14:53:51 +0000
From: Usama Arif <usamaarif642@...il.com>
To: Nico Pache <npache@...hat.com>, linux-kernel@...r.kernel.org,
 linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org,
 linux-mm@...ck.org
Cc: ryan.roberts@....com, anshuman.khandual@....com, catalin.marinas@....com,
 cl@...two.org, vbabka@...e.cz, mhocko@...e.com, apopple@...dia.com,
 dave.hansen@...ux.intel.com, will@...nel.org, baohua@...nel.org,
 jack@...e.cz, srivatsa@...il.mit.edu, haowenchao22@...il.com,
 hughd@...gle.com, aneesh.kumar@...nel.org, yang@...amperecomputing.com,
 peterx@...hat.com, ioworker0@...il.com, wangkefeng.wang@...wei.com,
 ziy@...dia.com, jglisse@...gle.com, surenb@...gle.com,
 vishal.moola@...il.com, zokeefe@...gle.com, zhengqi.arch@...edance.com,
 jhubbard@...dia.com, 21cnbao@...il.com, willy@...radead.org,
 kirill.shutemov@...ux.intel.com, david@...hat.com, aarcange@...hat.com,
 raquini@...hat.com, dev.jain@....com, sunnanyong@...wei.com,
 audra@...hat.com, akpm@...ux-foundation.org, rostedt@...dmis.org,
 mathieu.desnoyers@...icios.com, tiwai@...e.de,
 baolin.wang@...ux.alibaba.com, corbet@....net, shuah@...nel.org
Subject: Re: [RFC v2 0/5] mm: introduce THP deferred setting



On 11/02/2025 00:40, Nico Pache wrote:
> This series is a follow-up to [1], which adds mTHP support to khugepaged.
> mTHP khugepaged support was necessary for the global="defer" and
> mTHP="inherit" case (and others) to make sense.
> 

Hi Nico,

Thanks for the patches!

Why is mTHP khugepaged a prerequisite for THP=defer?
THP=defer applies to PMD hugepages as well, so they should be independent.