Re: [PATCH 05/10] mm/mremap: use an explicit uffd failure path for mremap

To: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH 05/10] mm/mremap: use an explicit uffd failure path for mremap
From: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
Date: Mon, 7 Jul 2025 11:20:14 +0100
Cc: Peter Xu <peterx@xxxxxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, "Liam R . Howlett" <Liam.Howlett@xxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Pedro Falcato <pfalcato@xxxxxxx>, Rik van Riel <riel@xxxxxxxxxxx>, linux-mm@xxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx
In-reply-to: <be3e068c77107d385d89eae634317cb59e04e5ba.1751865330.git.lorenzo.stoakes@oracle.com>

Hi Andrew,

I missed the !CONFIG_USERFAULTFD stub, could you apply the attached fix-patch?

Thanks!

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References:
- [PATCH 00/10] mm/mremap: permit mremap() move of multiple VMAs
  - From: Lorenzo Stoakes
- [PATCH 05/10] mm/mremap: use an explicit uffd failure path for mremap
  - From: Lorenzo Stoakes