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Message-ID: <81078a7f-09cf-7f19-f6bb-8a1f4968d6fb@ghiti.fr>
Date: Mon, 20 Aug 2018 08:45:10 +0200
From: Alexandre Ghiti <alex@...ti.fr>
To: Michal Hocko <mhocko@...nel.org>
Cc: linux-mm@...ck.org, Mike Kravetz <mike.kravetz@...cle.com>,
linux@...linux.org.uk, catalin.marinas@....com,
will.deacon@....com, tony.luck@...el.com, fenghua.yu@...el.com,
ralf@...ux-mips.org, paul.burton@...s.com, jhogan@...nel.org,
jejb@...isc-linux.org, deller@....de, benh@...nel.crashing.org,
paulus@...ba.org, mpe@...erman.id.au, ysato@...rs.sourceforge.jp,
dalias@...c.org, davem@...emloft.net, tglx@...utronix.de,
mingo@...hat.com, hpa@...or.com, x86@...nel.org, arnd@...db.de,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-ia64@...r.kernel.org, linux-mips@...ux-mips.org,
linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
linux-arch@...r.kernel.org
Subject: Re: [PATCH v6 00/11] hugetlb: Factorize hugetlb architecture
primitives
Hi Michal,
This patchset got acked, tested and reviewed by quite a few people, and
it has been suggested
that it should be included in -mm tree: could you tell me if something
else needs to be done for
its inclusion ?
Thanks for your time,
Alex
On 08/06/2018 07:57 PM, Alexandre Ghiti wrote:
> [CC linux-mm for inclusion in -mm tree]
>
> 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.
>
> This patchset has been compiled on all addressed architectures with
> success (except for parisc, but the problem does not come from this
> series).
>
> v6:
> - Remove nohash/32 and book3s/32 powerpc specific implementations in
> order to use the generic ones.
> - Add all the Reviewed-by, Acked-by and Tested-by in the commits,
> thanks to everyone.
>
> v5:
> As suggested by Mike Kravetz, no need to move the #include
> <asm-generic/hugetlb.h> for arm and x86 architectures, let it live at
> the top of the file.
>
> 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 | 30 ----------
> 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 | 6 --
> arch/powerpc/include/asm/book3s/64/pgtable.h | 1 +
> arch/powerpc/include/asm/hugetlb.h | 43 ++------------
> arch/powerpc/include/asm/nohash/32/pgtable.h | 6 --
> 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 | 69 ----------------------
> include/asm-generic/hugetlb.h | 88 +++++++++++++++++++++++++++-
> 15 files changed, 135 insertions(+), 394 deletions(-)
>
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