linux-kernel - Re: [PATCH] mm, hugetlb: Reset mapping to TAIL

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: <a23e7579-a88f-4e7a-b294-574c5e4c95a5@redhat.com>
Date: Tue, 15 Apr 2025 10:36:01 +0200
From: David Hildenbrand <david@...hat.com>
To: Oscar Salvador <osalvador@...e.de>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
 Muchun Song <muchun.song@...ux.dev>, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org, Vlastimil Babka <vbabka@...e.cz>,
 Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH] mm, hugetlb: Reset mapping to TAIL_MAPPING before
 restoring vmemmap

On 15.04.25 10:02, Oscar Salvador wrote:
> On Tue, Apr 15, 2025 at 09:32:40AM +0200, David Hildenbrand wrote:
>> Ah, reading about the HVO hackery in the comment above NR_RESET_STRUCT_PAGE, might the following fix it?
> 
> Yap, I was experimenting in parallel with that after sending the patch
> and it also fixes the issue, and I think is nicer indeed.
> 
> I do not want to step on someone else's fet, so do you want me to send
> the patch or will you?

Yes, please send it out.

-- 
Cheers,

David / dhildenb