linux-kernel - [PATCH v1] hugetlbfs: s390 is always 64bit

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Date:   Wed,  8 Sep 2021 17:45:06 +0200
From:   David Hildenbrand <david@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     David Hildenbrand <david@...hat.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Gerald Schaefer <gerald.schaefer@...ux.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        linux-s390@...r.kernel.org, linux-mm@...r.kernel.org,
        linux-fsdevel@...r.kernel.org
Subject: [PATCH v1] hugetlbfs: s390 is always 64bit

No need to check for 64BIT. While at it, let's just select
ARCH_SUPPORTS_HUGETLBFS from arch/s390x/Kconfig.

Cc: Heiko Carstens <hca@...ux.ibm.com>
Cc: Vasily Gorbik <gor@...ux.ibm.com>
Cc: Christian Borntraeger <borntraeger@...ibm.com>
Cc: Alexander Viro <viro@...iv.linux.org.uk>
Cc: Gerald Schaefer <gerald.schaefer@...ux.ibm.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Mike Kravetz <mike.kravetz@...cle.com>
Cc: linux-s390@...r.kernel.org
Cc: linux-mm@...r.kernel.org
Cc: linux-fsdevel@...r.kernel.org
Signed-off-by: David Hildenbrand <david@...hat.com>
---
 arch/s390/Kconfig | 1 +
 fs/Kconfig        | 3 +--
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index a0e2130f0100..0113e8f703e5 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -110,6 +110,7 @@ config S390
 	select ARCH_STACKWALK
 	select ARCH_SUPPORTS_ATOMIC_RMW
 	select ARCH_SUPPORTS_DEBUG_PAGEALLOC
+	select ARCH_SUPPORTS_HUGETLBFS
 	select ARCH_SUPPORTS_NUMA_BALANCING
 	select ARCH_USE_BUILTIN_BSWAP
 	select ARCH_USE_CMPXCHG_LOCKREF
diff --git a/fs/Kconfig b/fs/Kconfig
index a7749c126b8e..44f5dba9f704 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -228,8 +228,7 @@ config ARCH_SUPPORTS_HUGETLBFS
 
 config HUGETLBFS
 	bool "HugeTLB file system support"
-	depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
-		   ARCH_SUPPORTS_HUGETLBFS || BROKEN
+	depends on X86 || IA64 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS || BROKEN
 	help
 	  hugetlbfs is a filesystem backing for HugeTLB pages, based on
 	  ramfs. For architectures that support it, say Y here and read

base-commit: 7d2a07b769330c34b4deabeed939325c77a7ec2f
-- 
2.31.1