Re: [PATCH v3 1/2] x86, arm64: Move ARCH_WANT_HUGE_PMD_SHARE config in arch/Kconfig

[Alexandre Ghiti]

On 7/2/19 3:27 AM, Hanjun Guo wrote:
> On 2019/7/2 1:58, Alexandre Ghiti wrote:
> > ARCH_WANT_HUGE_PMD_SHARE config was declared in both architectures:
> > move this declaration in arch/Kconfig and make those architectures
> > select it.
> >
> > Signed-off-by: Alexandre Ghiti <alex@xxxxxxxx>
> > ---
> >   arch/Kconfig       | 3 +++
> >   arch/arm64/Kconfig | 4 +---
> >   arch/x86/Kconfig   | 4 +---
> >   3 files changed, 5 insertions(+), 6 deletions(-)
> >
> > diff --git a/arch/Kconfig b/arch/Kconfig
> > index c47b328eada0..d2f212dc8e72 100644
> > --- a/arch/Kconfig
> > +++ b/arch/Kconfig
> > @@ -577,6 +577,9 @@ config HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
> >   config HAVE_ARCH_HUGE_VMAP
> >   	bool
> >   
> > +config ARCH_WANT_HUGE_PMD_SHARE
> > +	bool
> > +
> >   config HAVE_ARCH_SOFT_DIRTY
> >   	bool
> >   
> > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> > index 697ea0510729..c862575decd3 100644
> > --- a/arch/arm64/Kconfig
> > +++ b/arch/arm64/Kconfig
> > @@ -71,6 +71,7 @@ config ARM64
> >   	select ARCH_SUPPORTS_NUMA_BALANCING
> >   	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION if COMPAT
> >   	select ARCH_WANT_FRAME_POINTERS
> > +	select ARCH_WANT_HUGE_PMD_SHARE if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36)
> >   	select ARCH_HAS_UBSAN_SANITIZE_ALL
> >   	select ARM_AMBA
> >   	select ARM_ARCH_TIMER
> > @@ -901,9 +902,6 @@ config HW_PERF_EVENTS
> >   config SYS_SUPPORTS_HUGETLBFS
> >   	def_bool y
> >   
> > -config ARCH_WANT_HUGE_PMD_SHARE
> > -	def_bool y if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36)
> > -
> Reviewed-by: Hanjun Guo <guohanjun@xxxxxxxxxx>


Thanks for catching the previous mistake again and thanks for that,

Alex


> Thanks
> Hanjun
>
>
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