linux-kernel - Re: [PATCH] ARC: mm: remove __ARCH_USE_5LEVEL

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Message-ID: <adaa82a2-b143-d49f-f38c-24ef52a200b8@gmail.com>
Date:   Wed, 9 Oct 2019 11:38:37 -0700
From:   Vineet Gupta <vineetg76@...il.com>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:     linux-snps-arc@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH] ARC: mm: remove __ARCH_USE_5LEVEL_HACK

On 10/8/19 4:42 PM, Kirill A. Shutemov wrote:
> On Tue, Oct 08, 2019 at 09:38:36PM +0000, Vineet Gupta wrote:
>> Add the intermediate p4d accessors to make it 5 level compliant.
>>
>> Thi sis non-functional change anyways since ARC has software page walker
>      ^
>      Typo.

Oops, fixed now !

...

> Have you tested it with CONFIG_HIGHMEM=y? alloc_kmap_pgtable() has to be
> converted too.

No I didn't. Fixed that as well.

Thx for looking
-Vineet