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SubjectRe: [PATCH v4 00/11] hugetlb: Factorize hugetlb architecture primitives
[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

--
Michal Hocko
SUSE Labs

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