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

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Date:	Thu, 1 Nov 2012 02:11:42 +0900
From:	JoonSoo Kim <js1304@...il.com>
To:	Minchan Kim <minchan@...nel.org>
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

Hello, Andrew.

2012/10/29 JoonSoo Kim <js1304@...il.com>:
> Hi, Minchan.
>
> 2012/10/29 Minchan Kim <minchan@...nel.org>:
>> 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.
>
> Thanks for review.
> I will wait more review and respin, the day after tomorrow.
> Version 2 will include fix about your comment.

Could you pick up second version of this patchset?

[3] is changed to leave one blank line.
[4] is changed in order to further optimize according to Minchan's comment.
It return first index of flushed entry, instead of last index.
Others doesn't changed.
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