linux-kernel - Re: [PATCH net-next] mm: page_frag: fix a compile error when kernel is not compiled

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Message-ID: <91e7e9c3-fbf9-40c7-9a7e-52fc800fe6a7@sirena.org.uk>
Date: Mon, 18 Nov 2024 18:12:45 +0000
From: Mark Brown <broonie@...nel.org>
To: Yunsheng Lin <yunshenglin0825@...il.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
	linyunsheng@...wei.com, Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Duyck <alexanderduyck@...com>,
	Linux-MM <linux-mm@...ck.org>, Shuah Khan <shuah@...nel.org>,
	linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] mm: page_frag: fix a compile error when kernel
 is not compiled

On Sat, Nov 16, 2024 at 12:23:13PM +0800, Yunsheng Lin wrote:
> page_frag test module is an out of tree module, but built
> using KDIR as the main kernel tree, the mm test suite is
> just getting skipped if newly added page_frag test module
> fails to compile due to kernel not yet compiled.
> 
> Fix the above problem by ensuring both kernel is built first
> and a newer kernel which has page_frag_cache.h is used.

Tested-by: Mark Brown <broonie@...nel.org>

(for the case where we skip the build.)

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