[PATCH v6 6/8] hugetlb: have CONFIG_HUGETLBFS select CONFIG_PADATA

From: Gang Li <gang.li@linux.dev>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: 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>,
	Daniel Jordan <daniel.m.jordan@oracle.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, Gang Li <gang.li@linux.dev>
Subject: [PATCH v6 6/8] hugetlb: have CONFIG_HUGETLBFS select CONFIG_PADATA
Date: Thu, 22 Feb 2024 22:04:19 +0800	[thread overview]
Message-ID: <20240222140422.393911-7-gang.li@linux.dev> (raw)
In-Reply-To: <20240222140422.393911-1-gang.li@linux.dev>

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>
---
 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


