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From:   Max Filippov <jcmvbkbc@gmail.com>
Date:   Tue, 28 Jul 2020 01:09:45 -0700
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Subject: Re: [PATCH 03/15] arm, xtensa: simplify initialization of high memory pages
To:     Mike Rapoport <rppt@kernel.org>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Andy Lutomirski <luto@kernel.org>,
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On Mon, Jul 27, 2020 at 10:12 PM Mike Rapoport <rppt@kernel.org> wrote:
>
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> The function free_highpages() in both arm and xtensa essentially open-code
> for_each_free_mem_range() loop to detect high memory pages that were not
> reserved and that should be initialized and passed to the buddy allocator.
>
> Replace open-coded implementation of for_each_free_mem_range() with usage
> of memblock API to simplify the code.
>
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
> ---
>  arch/arm/mm/init.c    | 48 +++++++------------------------------
>  arch/xtensa/mm/init.c | 55 ++++++++-----------------------------------
>  2 files changed, 18 insertions(+), 85 deletions(-)

For the xtensa part:
Reviewed-by: Max Filippov <jcmvbkbc@gmail.com>
Tested-by: Max Filippov <jcmvbkbc@gmail.com>

-- 
Thanks.
-- Max