linux-kernel - Re: [PATCH] xtensa: enable ARCH_HAS_DEBUG_VM

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Message-ID: <16a353ea-0e99-520d-4790-9442a7313142@arm.com>
Date:   Fri, 29 Apr 2022 09:03:58 +0530
From:   Anshuman Khandual <anshuman.khandual@....com>
To:     Max Filippov <jcmvbkbc@...il.com>
Cc:     "open list:TENSILICA XTENSA PORT (xtensa)" 
        <linux-xtensa@...ux-xtensa.org>, Chris Zankel <chris@...kel.net>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] xtensa: enable ARCH_HAS_DEBUG_VM_PGTABLE



On 4/26/22 18:12, Max Filippov wrote:
> Anshuman,
> 
> On Mon, Apr 25, 2022 at 11:07 PM Anshuman Khandual
> <anshuman.khandual@....com> wrote:
>> Thanks for the patch. Just wondering if you ran with different config
>> options (which might impact test case selection) on/off during testing ?
> 
> I went through the code in the mm/debug_vm_pgtable.c and saw that most
> variations are related to the huge page support which xtensa doesn't have.
> I've tested it with and without CMA.
> I haven't found anything else interesting that I could tweak -- have I missed
> anything?

I dont think so, but thanks for confirming.