linux-kernel - Re: [PATCH v11 0/6] Use pageblock_order for cma and alloc_contig

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Message-ID: <7F381222-1C5C-4CBD-B29F-BBE0305231AD@nvidia.com>
Date:   Mon, 09 May 2022 21:07:20 -0400
From:   Zi Yan <ziy@...dia.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     David Hildenbrand <david@...hat.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        Vlastimil Babka <vbabka@...e.cz>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Eric Ren <renzhengeek@...il.com>,
        Mike Rapoport <rppt@...nel.org>,
        Oscar Salvador <osalvador@...e.de>,
        Christophe Leroy <christophe.leroy@...roup.eu>
Subject: Re: [PATCH v11 0/6] Use pageblock_order for cma and
 alloc_contig_range alignment.

On 9 May 2022, at 21:03, Andrew Morton wrote:

> On Mon, 25 Apr 2022 10:31:12 -0400 Zi Yan <zi.yan@...t.com> wrote:
>
>> This patchset tries to remove the MAX_ORDER-1 alignment requirement for CMA
>> and alloc_contig_range(). It prepares for my upcoming changes to make
>> MAX_ORDER adjustable at boot time[1].
>
> I'm thinking this looks ready to be merged into mm-stable later this week, for
> the 5.19-rc1 merge window.
>
> I believe the build error at
> https://lkml.kernel.org/r/CA+G9fYveMF-NU-rvrsbaora2g2QWxrkF7AWViuDrJyN9mNScJg@mail.gmail.com
> was addressed in ARM?

Right. The warning is caused by CONFIG_ARM64_SME=y not this patchset,
see https://lore.kernel.org/all/YnGrbEt3oBBTly7u@qian/.

>
> I have one -fix to be squashed,
> https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-make-alloc_contig_range-work-at-pageblock-granularity-fix.patch

Yes. Thanks.

--
Best Regards,
Yan, Zi

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