hugetlb: have CONFIG_HUGETLBFS select CONFIG_PADATA

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

Link: https://lkml.kernel.org/r/20240222140422.393911-7-gang.li@linux.dev
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>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jane Chu <jane.chu@oracle.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/fs/Kconfig b/fs/Kconfig
index 713c8655fa0a6d3d5c4e8b0135a2ccbfb2d3f657..7963939592d702ca56b91848ee057cd4131b2ab3 100644 (file)
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -261,6 +261,7 @@ 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