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SubjectRe: [PATCH 3/3] mm: hugetlb_vmemmap: cleanup CONFIG_HUGETLB_PAGE_FREE_VMEMMAP*
On Wed, Jun 01, 2022 at 11:32:37AM +0200, David Hildenbrand wrote:
> On 04.04.22 09:46, Muchun Song wrote:
> > The word of "free" is not expressive enough to express the feature of optimizing
> > vmemmap pages associated with each HugeTLB, rename this keywork to "optimeze".
> > In this patch , cheanup configs to make code more expressive.
>
> Nit: why not simply CONFIG_HUGETLB_OPTIMIZE_VMEMMAP if we're touching
> this already? At least I don't see value in the additional "PAGE" :)
>

I thought it keep consistent with CONFIG_HUGETLB_PAGE. If you think
CONFIG_HUGETLB_OPTIMIZE_VMEMMAP is a better name, maybe we need to
another separate patch since this series is already on mm-stable branch.

> >
> > Signed-off-by: Muchun Song <songmuchun@bytedance.com>
> > ---
> > Documentation/admin-guide/kernel-parameters.txt | 4 ++--
> > Documentation/admin-guide/mm/hugetlbpage.rst | 2 +-
> > arch/arm64/Kconfig | 2 +-
> > arch/arm64/mm/flush.c | 2 +-
> > arch/x86/Kconfig | 2 +-
> > arch/x86/mm/init_64.c | 2 +-
> > fs/Kconfig | 16 ++++++++--------
> > include/linux/hugetlb.h | 2 +-
> > include/linux/mm.h | 2 +-
> > include/linux/page-flags.h | 6 +++---
> > mm/Makefile | 2 +-
> > mm/hugetlb_vmemmap.c | 4 ++--
> > mm/hugetlb_vmemmap.h | 4 ++--
> > mm/sparse-vmemmap.c | 4 ++--
> > 14 files changed, 27 insertions(+), 27 deletions(-)
> >
> > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> > index 56edbe3f458f..89a58ac49d5f 100644
> > --- a/Documentation/admin-guide/kernel-parameters.txt
> > +++ b/Documentation/admin-guide/kernel-parameters.txt
> > @@ -1660,7 +1660,7 @@
> > Format: size[KMG]
> >
> > hugetlb_free_vmemmap=
>
> We didn't change the parameter name in #2, correct?
>

I think this is a interface to users. Is it correct to
change it?

Thanks.

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