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On 2021/12/28 1:35, William Kucharski wrote:
> You should also fix the existing typo in the documentation (inline):
>
>> On Dec 27, 2021, at 07:49, Kefeng Wang <wangkefeng.wang@huawei.com> wrote:
>>
>> This patch select HAVE_ARCH_HUGE_VMALLOC to let arm64 support huge
>> vmalloc mappings.
>>
>> Cc: Catalin Marinas <catalin.marinas@arm.com>
>> Cc: Will Deacon <will@kernel.org>
>> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
>> ---
>> Documentation/admin-guide/kernel-parameters.txt | 4 ++--
>> arch/arm64/Kconfig | 1 +
>> arch/arm64/kernel/module.c | 5 +++--
>> 3 files changed, 6 insertions(+), 4 deletions(-)
>>
>> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
>> index 7b2f900fd243..e3f9fd7ec106 100644
>> --- a/Documentation/admin-guide/kernel-parameters.txt
>> +++ b/Documentation/admin-guide/kernel-parameters.txt
>> @@ -1639,7 +1639,7 @@
>> precedence over memory_hotplug.memmap_on_memory.
>>
>>
>> - hugevmalloc= [PPC] Reguires CONFIG_HAVE_ARCH_HUGE_VMALLOC
>> + hugevmalloc= [KNL,PPC,ARM64] Reguires CONFIG_HAVE_ARCH_HUGE_VMALLOC
>> Format: { on | off }
>> Default set by CONFIG_HUGE_VMALLOC_DEFAULT_ENABLED.
> "Reguires" should be "Requires."
Will fix, thanks.
>
>> @@ -3424,7 +3424,7 @@
>>
>> nohugeiomap [KNL,X86,PPC,ARM64] Disable kernel huge I/O mappings.
>>
>> - nohugevmalloc [PPC] Disable kernel huge vmalloc mappings.
>> + nohugevmalloc [KNL,PPC,ARM64] Disable kernel huge vmalloc mappings.
>>
>> nosmt [KNL,S390] Disable symmetric multithreading (SMT).
>> Equivalent to smt=1.
>> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
>> index 3bb0b67292b5..c34bbb4482b0 100644
>> --- a/arch/arm64/Kconfig
>> +++ b/arch/arm64/Kconfig
>> @@ -142,6 +142,7 @@ config ARM64
>> select HAVE_ARCH_AUDITSYSCALL
>> select HAVE_ARCH_BITREVERSE
>> select HAVE_ARCH_COMPILER_H
>> + select HAVE_ARCH_HUGE_VMALLOC
>> select HAVE_ARCH_HUGE_VMAP
>> select HAVE_ARCH_JUMP_LABEL
>> select HAVE_ARCH_JUMP_LABEL_RELATIVE
>> diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c
>> index 309a27553c87..af7b4cbace2b 100644
>> --- a/arch/arm64/kernel/module.c
>> +++ b/arch/arm64/kernel/module.c
>> @@ -36,7 +36,8 @@ void *module_alloc(unsigned long size)
>> module_alloc_end = MODULES_END;
>>
>> p = __vmalloc_node_range(size, MODULE_ALIGN, module_alloc_base,
>> - module_alloc_end, gfp_mask, PAGE_KERNEL, VM_DEFER_KMEMLEAK,
>> + module_alloc_end, gfp_mask, PAGE_KERNEL,
>> + VM_DEFER_KMEMLEAK | VM_NO_HUGE_VMAP,
>> NUMA_NO_NODE, __builtin_return_address(0));
>>
>> if (!p && IS_ENABLED(CONFIG_ARM64_MODULE_PLTS) &&
>> @@ -55,7 +56,7 @@ void *module_alloc(unsigned long size)
>> */
>> p = __vmalloc_node_range(size, MODULE_ALIGN, module_alloc_base,
>> module_alloc_base + SZ_2G, GFP_KERNEL,
>> - PAGE_KERNEL, 0, NUMA_NO_NODE,
>> + PAGE_KERNEL, VM_NO_HUGE_VMAP, NUMA_NO_NODE,
>> __builtin_return_address(0));
>>
>> if (p && (kasan_module_alloc(p, size, gfp_mask) < 0)) {
>> --
>> 2.26.2
>>
>>

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