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SubjectRe: [PATCH v4 00/11] hugetlb: Factorize hugetlb architecture primitives
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Does anyone have any suggestion about those patches ?

On 07/09/2018 02:16 PM, Michal Hocko wrote:
> [CC hugetlb guys - http://lkml.kernel.org/r/20180705110716.3919-1-alex@ghiti.fr]
>
> On Thu 05-07-18 11:07:05, Alexandre Ghiti wrote:
>> In order to reduce copy/paste of functions across architectures and then
>> make riscv hugetlb port (and future ports) simpler and smaller, this
>> patchset intends to factorize the numerous hugetlb primitives that are
>> defined across all the architectures.
>>
>> Except for prepare_hugepage_range, this patchset moves the versions that
>> are just pass-through to standard pte primitives into
>> asm-generic/hugetlb.h by using the same #ifdef semantic that can be
>> found in asm-generic/pgtable.h, i.e. __HAVE_ARCH_***.
>>
>> s390 architecture has not been tackled in this serie since it does not
>> use asm-generic/hugetlb.h at all.
>> powerpc could be factorized a bit more (cf huge_ptep_set_wrprotect).
>>
>> This patchset has been compiled on x86 only.
>>
>> Changelog:
>>
>> v4:
>> Fix powerpc build error due to misplacing of #include
>> <asm-generic/hugetlb.h> outside of #ifdef CONFIG_HUGETLB_PAGE, as
>> pointed by Christophe Leroy.
>>
>> v1, v2, v3:
>> Same version, just problems with email provider and misuse of
>> --batch-size option of git send-email
>>
>> Alexandre Ghiti (11):
>> hugetlb: Harmonize hugetlb.h arch specific defines with pgtable.h
>> hugetlb: Introduce generic version of hugetlb_free_pgd_range
>> hugetlb: Introduce generic version of set_huge_pte_at
>> hugetlb: Introduce generic version of huge_ptep_get_and_clear
>> hugetlb: Introduce generic version of huge_ptep_clear_flush
>> hugetlb: Introduce generic version of huge_pte_none
>> hugetlb: Introduce generic version of huge_pte_wrprotect
>> hugetlb: Introduce generic version of prepare_hugepage_range
>> hugetlb: Introduce generic version of huge_ptep_set_wrprotect
>> hugetlb: Introduce generic version of huge_ptep_set_access_flags
>> hugetlb: Introduce generic version of huge_ptep_get
>>
>> arch/arm/include/asm/hugetlb-3level.h | 32 +---------
>> arch/arm/include/asm/hugetlb.h | 33 +----------
>> arch/arm64/include/asm/hugetlb.h | 39 +++---------
>> arch/ia64/include/asm/hugetlb.h | 47 ++-------------
>> arch/mips/include/asm/hugetlb.h | 40 +++----------
>> arch/parisc/include/asm/hugetlb.h | 33 +++--------
>> arch/powerpc/include/asm/book3s/32/pgtable.h | 2 +
>> arch/powerpc/include/asm/book3s/64/pgtable.h | 1 +
>> arch/powerpc/include/asm/hugetlb.h | 43 ++------------
>> arch/powerpc/include/asm/nohash/32/pgtable.h | 2 +
>> arch/powerpc/include/asm/nohash/64/pgtable.h | 1 +
>> arch/sh/include/asm/hugetlb.h | 54 ++---------------
>> arch/sparc/include/asm/hugetlb.h | 40 +++----------
>> arch/x86/include/asm/hugetlb.h | 72 +----------------------
>> include/asm-generic/hugetlb.h | 88 +++++++++++++++++++++++++++-
>> 15 files changed, 143 insertions(+), 384 deletions(-)
>>
>> --
>> 2.16.2

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