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From: Mike Rapoport <rppt@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
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Subject: [PATCH v3 05/14] ia64: don't allow users to override
ARCH_FORCE_MAX_ORDER
Date: Sat, 25 Mar 2023 09:08:19 +0300
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| Series |
arch,mm: cleanup Kconfig entries for ARCH_FORCE_MAX_ORDER
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Commit Message
Mike Rapoport
March 25, 2023, 6:08 a.m. UTC
From: "Mike Rapoport (IBM)" <rppt@kernel.org> It is enough to keep default values for base and huge pages without letting users to override ARCH_FORCE_MAX_ORDER. Drop the prompt to make the option unvisible in *config. Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Zi Yan <ziy@nvidia.com> Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org> --- arch/ia64/Kconfig | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
Comments
On Sat, Mar 25, 2023 at 02:38:15PM +0800, Kefeng Wang wrote: > > > On 2023/3/25 14:08, Mike Rapoport wrote: > > From: "Mike Rapoport (IBM)" <rppt@kernel.org> > > > > It is enough to keep default values for base and huge pages without > > letting users to override ARCH_FORCE_MAX_ORDER. > > > > Drop the prompt to make the option unvisible in *config. > > > > Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> > > Reviewed-by: Zi Yan <ziy@nvidia.com> > > Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org> > > --- > > arch/ia64/Kconfig | 3 +-- > > 1 file changed, 1 insertion(+), 2 deletions(-) > > > > diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig > > index 0d2f41fa56ee..b61437cae162 100644 > > --- a/arch/ia64/Kconfig > > +++ b/arch/ia64/Kconfig > > @@ -202,8 +202,7 @@ config IA64_CYCLONE > > If you're unsure, answer N. > > config ARCH_FORCE_MAX_ORDER > > - int "MAX_ORDER (10 - 16)" if !HUGETLB_PAGE > > - range 10 16 if !HUGETLB_PAGE > > + int > > default "16" if HUGETLB_PAGE > > default "10" > > It seems that we could drop the following part? ia64 can have 64k pages, so with MAX_ORDER==16 we'd need at least 32 bits for section size > diff --git a/arch/ia64/include/asm/sparsemem.h > b/arch/ia64/include/asm/sparsemem.h > index a58f8b466d96..18187551b183 100644 > --- a/arch/ia64/include/asm/sparsemem.h > +++ b/arch/ia64/include/asm/sparsemem.h > @@ -11,11 +11,6 @@ > > #define SECTION_SIZE_BITS (30) > #define MAX_PHYSMEM_BITS (50) > -#ifdef CONFIG_ARCH_FORCE_MAX_ORDER > -#if (CONFIG_ARCH_FORCE_MAX_ORDER + PAGE_SHIFT > SECTION_SIZE_BITS) > -#undef SECTION_SIZE_BITS > -#define SECTION_SIZE_BITS (CONFIG_ARCH_FORCE_MAX_ORDER + PAGE_SHIFT) > -#endif > #endif >
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 0d2f41fa56ee..b61437cae162 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -202,8 +202,7 @@ config IA64_CYCLONE If you're unsure, answer N. config ARCH_FORCE_MAX_ORDER - int "MAX_ORDER (10 - 16)" if !HUGETLB_PAGE - range 10 16 if !HUGETLB_PAGE + int default "16" if HUGETLB_PAGE default "10"