linux-kernel - Re: [PATCH v2] Documentation/arm64: HugeTLB page implementation

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Message-ID: <20181009115049.GA6248@arm.com>
Date:   Tue, 9 Oct 2018 12:50:49 +0100
From:   Will Deacon <will.deacon@....com>
To:     Punit Agrawal <punit.agrawal@....com>
Cc:     Randy Dunlap <rdunlap@...radead.org>, linux-doc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        steve.capper@....com, Catalin Marinas <catalin.marinas@....com>,
        Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH v2] Documentation/arm64: HugeTLB page implementation

On Tue, Oct 09, 2018 at 11:02:01AM +0100, Punit Agrawal wrote:
> Randy Dunlap <rdunlap@...radead.org> writes:
> 
> > On 10/8/18 3:03 AM, Punit Agrawal wrote:
> >> Arm v8 architecture supports multiple page sizes - 4k, 16k and
> >> 64k. Based on the active page size, the Linux port supports
> >> corresponding hugepage sizes at PMD and PUD(4k only) levels.
> >> 
> >> In addition, the architecture also supports caching larger sized
> >> ranges (composed of multiple entries) at the PTE and PMD level in the
> >> TLBs using the contiguous bit. The Linux port makes use of this
> >> architectural support to enable additional hugepage sizes.
> >> 
> >> Describe the two different types of hugepages supported by the arm64
> >> kernel and the hugepage sizes enabled by each.
> >> 
> >> Signed-off-by: Punit Agrawal <punit.agrawal@....com>
> >> Cc: Catalin Marinas <catalin.marinas@....com>
> >> Cc: Will Deacon <will.deacon@....com>
> >> Cc: Jonathan Corbet <corbet@....net>
> >
> > Acked-by: Randy Dunlap <rdunlap@...radead.org>
> 
> Thanks!
> 
> Catalin, Will - I assume you'll pick this up at some point? Or do arm64
> documentation patches get routed by another tree?

Acked-by: Will Deacon <will.deacon@....com>

Catalin can pick this up for 4.20.

Will