linux-kernel - Re: [PATCH] tools/testing/vma: add missing function stub

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Message-ID: <upfmiz7u2t4tzd6oogqm52mmgecepv7ecojgysmosgcu6ggov4@hgqlp3x27754>
Date: Thu, 29 May 2025 09:39:11 +0100
From: Pedro Falcato <pfalcato@...e.de>
To: lorenzo.stoakes@...cle.com
Cc: Andrew Morton <akpm@...ux-foundation.org>, 
	"Liam R. Howlett" <Liam.Howlett@...cle.com>, Vlastimil Babka <vbabka@...e.cz>, Jann Horn <jannh@...gle.com>, 
	linux-mm@...ck.org, linux-kernel@...r.kernel.org, oliver.sang@...el.com
Subject: Re: [PATCH] tools/testing/vma: add missing function stub

On Wed, May 28, 2025 at 03:15:39PM +0100, Lorenzo Stoakes via B4 Relay wrote:
> From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
> 
> The hugetlb fix introduced in commit ee40c9920ac2 ("mm: fix copy_vma()
> error handling for hugetlb mappings") mistakenly did not provide a stub for
> the VMA userland testing, which results in a compile error when trying to
> build this.
> 
> Provide this stub to resolve the issue.
> 
> ---
> Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>

Reviewed-by: Pedro Falcato <pfalcato@...e.de>

I wonder if we could get the test bots to also build and run the userspace tests?
It would help finding this before getting merged, while also actively testing
vmas, xarray, maple, etc.

+Cc Oliver

-- 
Pedro