On Tue, 09 Mar 2021 00:33:06 PST (-0800), anshuman.khand...@arm.com wrote:
SYS_SUPPORTS_HUGETLBFS config has duplicate definitions on platforms that
subscribe it. Instead, just make it a generic option which can be selected
on applicable platforms. Also rename it as ARCH_SUPPORTS_HUGETLBFS instead.
This reduces code duplication and makes it cleaner.

Cc: Russell King <li...@armlinux.org.uk>
Cc: Catalin Marinas <catalin.mari...@arm.com>
Cc: Will Deacon <w...@kernel.org>
Cc: Thomas Bogendoerfer <tsbog...@alpha.franken.de>
Cc: "James E.J. Bottomley" <james.bottom...@hansenpartnership.com>
Cc: Helge Deller <del...@gmx.de>
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Paul Walmsley <paul.walms...@sifive.com>
Cc: Palmer Dabbelt <pal...@dabbelt.com>
Cc: Albert Ou <a...@eecs.berkeley.edu>
Cc: Yoshinori Sato <ys...@users.sourceforge.jp>
Cc: Rich Felker <dal...@libc.org>
Cc: Alexander Viro <v...@zeniv.linux.org.uk>
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-m...@vger.kernel.org
Cc: linux-par...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-ri...@lists.infradead.org
Cc: linux...@vger.kernel.org
Cc: linux-fsde...@vger.kernel.org
Cc: linux-ker...@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khand...@arm.com>
---
 arch/arm/Kconfig                       | 5 +----
 arch/arm64/Kconfig                     | 4 +---
 arch/mips/Kconfig                      | 6 +-----
 arch/parisc/Kconfig                    | 5 +----
 arch/powerpc/Kconfig                   | 3 ---
 arch/powerpc/platforms/Kconfig.cputype | 6 +++---
 arch/riscv/Kconfig                     | 5 +----
 arch/sh/Kconfig                        | 5 +----
 fs/Kconfig                             | 5 ++++-
 9 files changed, 13 insertions(+), 31 deletions(-)

[...]

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 85d626b8ce5e..69954db3aca9 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -30,6 +30,7 @@ config RISCV
        select ARCH_HAS_STRICT_KERNEL_RWX if MMU
        select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
        select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT
+       select ARCH_SUPPORTS_HUGETLBFS if MMU
        select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
        select ARCH_WANT_FRAME_POINTERS
        select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
@@ -165,10 +166,6 @@ config ARCH_WANT_GENERAL_HUGETLB
 config ARCH_SUPPORTS_UPROBES
        def_bool y

-config SYS_SUPPORTS_HUGETLBFS
-       depends on MMU
-       def_bool y
-
 config STACKTRACE_SUPPORT
        def_bool y

Acked-by: Palmer Dabbelt <palmerdabb...@google.com>

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