linux-kernel - Re: [PATCH V5 2/4] arm64/mm: Define arch_get_mappable

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Date:   Tue, 2 Feb 2021 16:06:41 +0000
From:   Catalin Marinas <catalin.marinas@....com>
To:     Anshuman Khandual <anshuman.khandual@....com>
Cc:     linux-mm@...ck.org, akpm@...ux-foundation.org, hca@...ux.ibm.com,
        david@...hat.com, osalvador@...e.de,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Will Deacon <will@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-s390@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V5 2/4] arm64/mm: Define arch_get_mappable_range()

On Mon, Feb 01, 2021 at 08:55:00AM +0530, Anshuman Khandual wrote:
> This overrides arch_get_mappable_range() on arm64 platform which will be
> used with recently added generic framework. It drops inside_linear_region()
> and subsequent check in arch_add_memory() which are no longer required. It
> also adds a VM_BUG_ON() check that would ensure that mhp_range_allowed()
> has already been called.
> 
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will@...nel.org>
> Cc: Ard Biesheuvel <ardb@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: David Hildenbrand <david@...hat.com>
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org
> Reviewed-by: David Hildenbrand <david@...hat.com>
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>

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