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Message-ID: <d34ef8984925cfeebbd3b8c4a57e70f131fc5552.camel@linux.intel.com>
Subject: Re: [PATCH v3 5/7] hugetlb: have CONFIG_HUGETLBFS select
 CONFIG_PADATA
From: Tim Chen <tim.c.chen@linux.intel.com>
To: Gang Li <gang.li@linux.dev>, David Hildenbrand <david@redhat.com>, David
 Rientjes <rientjes@google.com>, Mike Kravetz <mike.kravetz@oracle.com>,
 Muchun Song <muchun.song@linux.dev>, Andrew Morton
 <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
 ligang.bdlg@bytedance.com
Date: Thu, 11 Jan 2024 14:49:14 -0800
In-Reply-To: <20240102131249.76622-6-gang.li@linux.dev>
References: <20240102131249.76622-1-gang.li@linux.dev>
	 <20240102131249.76622-6-gang.li@linux.dev>
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On Tue, 2024-01-02 at 21:12 +0800, Gang Li wrote:
> Now hugetlb uses padata_do_multithreaded for parallel initialization,
> so select CONFIG_PADATA.

Perhaps rephrase

Allow hugetlb use padata_do_multithreaded for parallel initialization.
Select CONFIG_PADATA in this case.

>=20
> Signed-off-by: Gang Li <gang.li@linux.dev>
> ---
>  fs/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>=20
> diff --git a/fs/Kconfig b/fs/Kconfig
> index 89fdbefd1075f..a57d6e6c41e6f 100644
> --- a/fs/Kconfig
> +++ b/fs/Kconfig
> @@ -262,6 +262,7 @@ menuconfig HUGETLBFS
>  	depends on X86 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS || BROKEN
>  	depends on (SYSFS || SYSCTL)
>  	select MEMFD_CREATE
> +	select PADATA
>  	help
>  	  hugetlbfs is a filesystem backing for HugeTLB pages, based on
>  	  ramfs. For architectures that support it, say Y here and read