linux-kernel - Re: [PATCH V4 0/3] arm64: Enable vmemmap mapping from device memory

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Message-ID: <a9157943-d033-f9a8-87fc-dce78540df78@arm.com>
Date:   Thu, 9 Jul 2020 09:00:17 +0530
From:   Anshuman Khandual <anshuman.khandual@....com>
To:     linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>
Cc:     justin.he@....com, catalin.marinas@....com,
        akpm@...ux-foundation.org, Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Tony Luck <tony.luck@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        David Hildenbrand <david@...hat.com>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Michal Hocko <mhocko@...e.com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-arm-kernel@...ts.infradead.org, linux-ia64@...r.kernel.org,
        linux-riscv@...ts.infradead.org, x86@...nel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V4 0/3] arm64: Enable vmemmap mapping from device memory



On 07/06/2020 08:26 AM, Anshuman Khandual wrote:
> This series enables vmemmap backing memory allocation from device memory
> ranges on arm64. But before that, it enables vmemmap_populate_basepages()
> and vmemmap_alloc_block_buf() to accommodate struct vmem_altmap based
> alocation requests.
> 
> This series applies on 5.8-rc4.
> 
> Changes in V4:
> 
> - Dropped 'fallback' from vmemmap_alloc_block_buf() per Catalin

Hello Andrew,

This series has been a long running one :) Now that all the three patches
here have been reviewed, could you please consider this series for merging
towards 5.9-rc1. Catalin had suggested earlier [1] that it should go via
the MM tree instead, as it touches multiple architecture. Thank you.

[1] https://patchwork.kernel.org/patch/11611103/

- Anshuman