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

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Message-ID: <Z_4SeTicO-QuaGvc@localhost.localdomain>
Date: Tue, 15 Apr 2025 10:02:01 +0200
From: Oscar Salvador <osalvador@...e.de>
To: David Hildenbrand <david@...hat.com>
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 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?

thanks!


-- 
Oscar Salvador
SUSE Labs