Re: [PATCH] x86/mm: add select HAVE_ARCH_HUGE_VMALLOC in Kconfig

[Song Liu]

> On Aug 18, 2021, at 2:21 PM, Song Liu <songliubraving@xxxxxx> wrote:
> 
> Add "select HAVE_ARCH_HUGE_VMALLOC if HAVE_ARCH_HUGE_VMAP", so that huge
> vmalloc is enabled for X86_64 || X86_PAE.
> 
> Signed-off-by: Song Liu <songliubraving@xxxxxx>

Ping...

Does this change make sense? In my tests on Intel CPU, vmalloc will not 
return 2MB page without this change. 

Thanks,
Song  

> ---
> arch/x86/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index a68bf2db0d3ea..6344c572555e0 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -154,6 +154,7 @@ config X86
> 	select HAVE_ACPI_APEI_NMI		if ACPI
> 	select HAVE_ALIGNED_STRUCT_PAGE		if SLUB
> 	select HAVE_ARCH_AUDITSYSCALL
> +	select HAVE_ARCH_HUGE_VMALLOC		if HAVE_ARCH_HUGE_VMAP
> 	select HAVE_ARCH_HUGE_VMAP		if X86_64 || X86_PAE
> 	select HAVE_ARCH_JUMP_LABEL
> 	select HAVE_ARCH_JUMP_LABEL_RELATIVE
> -- 
> 2.30.2
>