linux-kernel - Re: [PATCH 0/5] minor clean-up and optimize highmem related code

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Date:	Mon, 29 Oct 2012 11:12:19 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Joonsoo Kim <js1304@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH 0/5] minor clean-up and optimize highmem related code

Hi Joonsoo,

On Mon, Oct 29, 2012 at 04:12:51AM +0900, Joonsoo Kim wrote:
> This patchset clean-up and optimize highmem related code.
> 
> [1] is just clean-up and doesn't introduce any functional change.
> [2-3] are for clean-up and optimization.
> These eliminate an useless lock opearation and list management.
> [4-5] is for optimization related to flush_all_zero_pkmaps().
> 
> Joonsoo Kim (5):
>   mm, highmem: use PKMAP_NR() to calculate an index of pkmap
>   mm, highmem: remove useless pool_lock
>   mm, highmem: remove page_address_pool list
>   mm, highmem: makes flush_all_zero_pkmaps() return index of last
>     flushed entry
>   mm, highmem: get virtual address of the page using PKMAP_ADDR()

This patchset looks awesome to me.
If you have a plan to respin, please CCed Peter.

-- 
Kind regards,
Minchan Kim
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