linux-kernel - Re: [PATCH v3 4/4] arm64: mm: Override arch_wants_pte

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Date:   Fri, 14 Jul 2023 10:47:04 -0600
From:   Yu Zhao <yuzhao@...gle.com>
To:     Ryan Roberts <ryan.roberts@....com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Matthew Wilcox <willy@...radead.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Yin Fengwei <fengwei.yin@...el.com>,
        David Hildenbrand <david@...hat.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Yang Shi <shy828301@...il.com>,
        "Huang, Ying" <ying.huang@...el.com>, Zi Yan <ziy@...dia.com>,
        Luis Chamberlain <mcgrof@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH v3 4/4] arm64: mm: Override arch_wants_pte_order()

On Fri, Jul 14, 2023 at 10:17 AM Ryan Roberts <ryan.roberts@....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@....com>

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