linux-kernel - Re: [mm][RFC][PATCH 0/11] mm accessor updates.

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Message-ID: <28c262360912160231r18db8478sf41349362360cab8@mail.gmail.com>
Date:	Wed, 16 Dec 2009 19:31:40 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>, cl@...ux-foundation.org,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"mingo@...e.hu" <mingo@...e.hu>
Subject: Re: [mm][RFC][PATCH 0/11] mm accessor updates.

On Wed, Dec 16, 2009 at 7:28 PM, Andi Kleen <andi@...stfloor.org> wrote:
>> > Also the patches didn't fare too well in testing unfortunately.
>> >
>> > I suspect we'll rather need multiple locks split per address
>> > space range.
>>
>> This set doesn't include any changes of the logic. Just replace all mmap_sem.
>> I think this is good start point (for introducing another logic etc..)
>
> The problem is that for range locking simple wrapping the locks
> in macros is not enough. You need more changes.

I agree.

We can't justify to merge as only this patch series although this
doesn't change
any behavior.

After we see the further works, let us discuss this patch's value.

Nitpick:
In case of big patch series, it would be better to provide separate
all-at-once patch
with convenience for easy patch and testing. :)

Thanks for great effort. Kame.

>
> -Andi
>
> --
> ak@...ux.intel.com -- Speaking for myself only.
>



-- 
Kind regards,
Minchan Kim
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