linux-kernel - Re: [PATCH] arm64/mm: Drop SECTION

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Message-ID: <20210614152113.GE30667@arm.com>
Date:   Mon, 14 Jun 2021 16:21:14 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Anshuman Khandual <anshuman.khandual@....com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64/mm: Drop SECTION_[SHIFT|SIZE|MASK]

On Mon, Jun 14, 2021 at 01:48:26PM +0530, Anshuman Khandual wrote:
> SECTION_[SHIFT|SIZE|MASK] are essentially PMD_[SHIFT|SIZE|MASK]. But these
> create confusion being similar to generic sparsemem memory sections, which
> are derived from SECTION_SIZE_BITS. Section references have always implied
> PMD level block mapping. Instead just use all PMD level macros which would
> make it explicit and also remove confusion with sparsmem memory sections.
> 
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>

The clean-up looks good to me:

Acked-by: Catalin Marinas <catalin.marinas@....com>