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References: <20230714160407.4142030-1-ryan.roberts@arm.com> <20230714161733.4144503-4-ryan.roberts@arm.com>
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From:   Yu Zhao <yuzhao@google.com>
Date:   Fri, 14 Jul 2023 10:47:04 -0600
Message-ID: <CAOUHufZJtiTV4yb=9qRcYCCjotTWSeNiHQdapb7uQuoGuSNPDA@mail.gmail.com>
Subject: Re: [PATCH v3 4/4] arm64: mm: Override arch_wants_pte_order()
To:     Ryan Roberts <ryan.roberts@arm.com>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Matthew Wilcox <willy@infradead.org>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Yin Fengwei <fengwei.yin@intel.com>,
        David Hildenbrand <david@redhat.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Anshuman Khandual <anshuman.khandual@arm.com>,
        Yang Shi <shy828301@gmail.com>,
        "Huang, Ying" <ying.huang@intel.com>, Zi Yan <ziy@nvidia.com>,
        Luis Chamberlain <mcgrof@kernel.org>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org
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On Fri, Jul 14, 2023 at 10:17=E2=80=AFAM Ryan Roberts <ryan.roberts@arm.com=
> wrote:
>
> Define an arch-specific override of arch_wants_pte_order() so that when
> FLEXIBLE_THP is enabled, large folios will be allocated for anonymous
> memory with an order that is compatible with arm64's contpte mappings.
>
> Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>

Reviewed-by: Yu Zhao <yuzhao@google.com>