[CC hugetlb guys - http://lkml.kernel.org/r/20180705110716.3919-1-alex@xxxxxxxx] 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