linux-kernel - [PATCH v3 2/2] riscv: Enable HAVE_ARCH_HUGE

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Date:   Wed, 12 Oct 2022 20:00:38 +0800
From:   Liu Shixin <liushixin2@...wei.com>
To:     Conor Dooley <conor@...nel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Björn Töpel <bjorn@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>
CC:     <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>,
        Liu Shixin <liushixin2@...wei.com>
Subject: [PATCH v3 2/2] riscv: Enable HAVE_ARCH_HUGE_VMALLOC for 64BIT

After we support HAVE_ARCH_HUGE_VMAP, we can now enable HAVE_ARCH_HUGE_VMALLOC
too. This feature has been used in kvmalloc and alloc_large_system_hash
for now. This feature can be disabled by kernel parameters "nohugevmalloc".

Signed-off-by: Liu Shixin <liushixin2@...wei.com>
Reviewed-by: Björn Töpel <bjorn@...nel.org>
Tested-by: Björn Töpel <bjorn@...nel.org>
---
 arch/riscv/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index a4d597203bd9..fded181c9e50 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -70,6 +70,7 @@ config RISCV
 	select GENERIC_TIME_VSYSCALL if MMU && 64BIT
 	select GENERIC_VDSO_TIME_NS if HAVE_GENERIC_VDSO
 	select HAVE_ARCH_AUDITSYSCALL
+	select HAVE_ARCH_HUGE_VMALLOC if HAVE_ARCH_HUGE_VMAP
 	select HAVE_ARCH_HUGE_VMAP if MMU && 64BIT && !XIP_KERNEL
 	select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL
 	select HAVE_ARCH_JUMP_LABEL_RELATIVE if !XIP_KERNEL
-- 
2.25.1