linux-kernel - Re: [PATCH RFC 3/4] mm/page_alloc_test: Add logic to isolate a node for testing

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Message-ID: <CA+i-1C31w5yjVRBLNr9b2WwghP_=Wv0+SymWKOQtG8SEszKxxA@mail.gmail.com>
Date: Tue, 25 Feb 2025 12:20:34 +0100
From: Brendan Jackman <jackmanb@...gle.com>
To: Yosry Ahmed <yosry.ahmed@...ux.dev>
Cc: Brendan Higgins <brendan.higgins@...ux.dev>, David Gow <davidgow@...gle.com>, 
	Rae Moar <rmoar@...gle.com>, Andrew Morton <akpm@...ux-foundation.org>, 
	David Hildenbrand <david@...hat.com>, Oscar Salvador <osalvador@...e.de>, 
	Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, Vlastimil Babka <vbabka@...e.cz>, 
	Michal Hocko <mhocko@...nel.org>, linux-kselftest@...r.kernel.org, 
	kunit-dev@...glegroups.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH RFC 3/4] mm/page_alloc_test: Add logic to isolate a node
 for testing

On Mon, 24 Feb 2025 at 19:34, Yosry Ahmed <yosry.ahmed@...ux.dev> wrote:
> > +#ifdef CONFIG_KUNIT
>
> Why not CONFIG_PAGE_ALLOC_KUNIT_TEST?

VISIBLE_IF_KUNIT is paired with #ifdef CONFIG_KUNIT elsewhere (I think
there might even be docs that do this in an example) so I just
followed the pattern.

#ifdef CONFIG_KUNIT -> things are consistent and you just don't have
to think about this very much.

#ifdef CONFIG_PAGE_ALLOC_KUNIT_TEST -> better scoping.

So yeah, shrug. Maybe David/Rae/Brendan has an opinion.