Commit e9207223 authored by Kefeng Wang's avatar Kefeng Wang Committed by Catalin Marinas

arm64: support huge vmalloc mappings

As commit 559089e0 ("vmalloc: replace VM_NO_HUGE_VMAP with
VM_ALLOW_HUGE_VMAP"), the use of hugepage mappings for vmalloc
is an opt-in strategy, so it is saftly to support huge vmalloc
mappings on arm64, for now, it is used in kvmalloc() and
alloc_large_system_hash().
Signed-off-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Link: https://lore.kernel.org/r/20220911044423.139229-1-wangkefeng.wang@huawei.comSigned-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 877ace9e
...@@ -3614,7 +3614,7 @@ ...@@ -3614,7 +3614,7 @@
nohugeiomap [KNL,X86,PPC,ARM64] Disable kernel huge I/O mappings. nohugeiomap [KNL,X86,PPC,ARM64] Disable kernel huge I/O mappings.
nohugevmalloc [PPC] Disable kernel huge vmalloc mappings. nohugevmalloc [KNL,X86,PPC,ARM64] Disable kernel huge vmalloc mappings.
nosmt [KNL,S390] Disable symmetric multithreading (SMT). nosmt [KNL,S390] Disable symmetric multithreading (SMT).
Equivalent to smt=1. Equivalent to smt=1.
......
...@@ -149,6 +149,7 @@ config ARM64 ...@@ -149,6 +149,7 @@ config ARM64
select HAVE_ARCH_AUDITSYSCALL select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_BITREVERSE select HAVE_ARCH_BITREVERSE
select HAVE_ARCH_COMPILER_H select HAVE_ARCH_COMPILER_H
select HAVE_ARCH_HUGE_VMALLOC
select HAVE_ARCH_HUGE_VMAP select HAVE_ARCH_HUGE_VMAP
select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_JUMP_LABEL_RELATIVE select HAVE_ARCH_JUMP_LABEL_RELATIVE
......
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