You should also fix the existing typo in the documentation (inline): > On Dec 27, 2021, at 07:49, Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote: > > This patch select HAVE_ARCH_HUGE_VMALLOC to let arm64 support huge > vmalloc mappings. > > Cc: Catalin Marinas <catalin.marinas@xxxxxxx> > Cc: Will Deacon <will@xxxxxxxxxx> > Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> > --- > 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." > > @@ -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 > >