* [PATCH] x86/mm: add select HAVE_ARCH_HUGE_VMALLOC in Kconfig
@ 2021-08-18 21:21 Song Liu
2021-08-24 16:35 ` Song Liu
0 siblings, 1 reply; 2+ messages in thread
From: Song Liu @ 2021-08-18 21:21 UTC (permalink / raw)
To: linux-kernel, x86; +Cc: tglx, mingo, bp, hpa, linux-mm, kernel-team, Song Liu
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@fb.com>
---
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] x86/mm: add select HAVE_ARCH_HUGE_VMALLOC in Kconfig
2021-08-18 21:21 [PATCH] x86/mm: add select HAVE_ARCH_HUGE_VMALLOC in Kconfig Song Liu
@ 2021-08-24 16:35 ` Song Liu
0 siblings, 0 replies; 2+ messages in thread
From: Song Liu @ 2021-08-24 16:35 UTC (permalink / raw)
To: LKML, the arch/x86 maintainers
Cc: Thomas Gleixner, Ingo Molnar, bp, hpa,
Linux Memory Management List, Kernel Team
> On Aug 18, 2021, at 2:21 PM, Song Liu <songliubraving@fb.com> 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@fb.com>
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
>
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-08-24 16:36 UTC | newest]
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2021-08-18 21:21 [PATCH] x86/mm: add select HAVE_ARCH_HUGE_VMALLOC in Kconfig Song Liu
2021-08-24 16:35 ` Song Liu
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