linux-kernel - Re: [PATCH 0/1] arm64/sparsemem: reduce SECTION_SIZE

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Message-Id: <161125239746.2653965.4342337503570976678.b4-ty@kernel.org>
Date:   Thu, 21 Jan 2021 18:26:39 +0000
From:   Will Deacon <will@...nel.org>
To:     Catalin Marinas <catalin.marinas@....com>,
        linux-kernel@...r.kernel.org,
        Anshuman Khandual <anshuman.khandual@....com>,
        linux-arm-kernel@...ts.infradead.org,
        Sudarshan Rajagopalan <sudaraja@...eaurora.org>,
        David Hildenbrand <david@...hat.com>, linux-mm@...ck.org
Cc:     kernel-team@...roid.com, Will Deacon <will@...nel.org>
Subject: Re: [PATCH 0/1] arm64/sparsemem: reduce SECTION_SIZE_BITS

On Wed, 20 Jan 2021 21:29:12 -0800, Sudarshan Rajagopalan wrote:
> This patch is the follow-up from the discussions in the thread [1].
> Reducing the section size has the merit of reducing wastage of reserved memory
> for vmmemmap mappings for sections with large memory holes. Also with smaller
> section size gives more grunularity and agility for memory hot(un)plugging.
> 
> But there are also constraints in reducing SECTION_SIZE_BIT:
> 
> [...]

Applied to arm64 (for-next/misc), thanks!

[1/1] arm64/sparsemem: reduce SECTION_SIZE_BITS
      https://git.kernel.org/arm64/c/f0b13ee23241

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev