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Date: Tue, 27 Feb 2024 16:26:57 -0500
From: Daniel Jordan <daniel.m.jordan@oracle.com>
To: Gang Li <gang.li@linux.dev>
Cc: Andrew Morton <akpm@linux-foundation.org>,
        David Hildenbrand <david@redhat.com>,
        David Rientjes <rientjes@google.com>,
        Muchun Song <muchun.song@linux.dev>,
        Tim Chen <tim.c.chen@linux.intel.com>,
        Steffen Klassert <steffen.klassert@secunet.com>,
        Jane Chu <jane.chu@oracle.com>,
        "Paul E . McKenney" <paulmck@kernel.org>,
        Randy Dunlap <rdunlap@infradead.org>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, ligang.bdlg@bytedance.com
Subject: Re: [PATCH v6 6/8] hugetlb: have CONFIG_HUGETLBFS select
 CONFIG_PADATA
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References: <20240222140422.393911-1-gang.li@linux.dev>
 <20240222140422.393911-7-gang.li@linux.dev>
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On Thu, Feb 22, 2024 at 10:04:19PM +0800, Gang Li wrote:
> Allow hugetlb use padata_do_multithreaded for parallel initialization.
> Select CONFIG_PADATA in this case.
> 
> Signed-off-by: Gang Li <ligang.bdlg@bytedance.com>
> Tested-by: David Rientjes <rientjes@google.com>
> Reviewed-by: Muchun Song <muchun.song@linux.dev>
> Tested-by: Paul E. McKenney <paulmck@kernel.org>

Acked-by: Daniel Jordan <daniel.m.jordan@oracle.com>

> ---
>  fs/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/Kconfig b/fs/Kconfig
> index 89fdbefd1075f..c0b9599bf8e3a 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 if SMP
>  	help
>  	  hugetlbfs is a filesystem backing for HugeTLB pages, based on
>  	  ramfs. For architectures that support it, say Y here and read
> -- 
> 2.20.1
>