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From: Pekka Enberg <penberg@kernel.org>
To: alex shi <lkml.alex@gmail.com>
Cc: David Rientjes <rientjes@google.com>,
	Shaohua Li <shaohua.li@intel.com>, linux-mm <linux-mm@kvack.org>,
	cl@linux-foundation.org
Subject: Re: [patch] slub: fix a code merge error
Date: Tue, 15 Nov 2011 08:45:18 +0200 (EET)	[thread overview]
Message-ID: <alpine.LFD.2.02.1111150842590.2347@tux.localdomain> (raw)
In-Reply-To: <CAGjg+kHstQGLvT+=K9v_s=hLDd0974JHR0N5EVsTbkYk2=s1vQ@mail.gmail.com>

>> Indeed. Please resend with proper subject and changelog with
>> Christoph's and David's ACKs included.

On Mon, 14 Nov 2011, alex shi wrote:
> SLUB stat attribute was designed for stat accounting only. I checked
> the total 24 attributes that used now. All of them used in stat() only
> except the DEACTIVATE_TO_HEAD/TAIL.
>
> And in fact, in the most of using scenarios the DEACTIVATE_TO_TAIL
> make reader confuse, TO_TAIL is correct but not for DEACTIVATE.
>
> Further more, CL also regretted this after he acked the original
> patches for this attribute mis-usages. He said "don't think we want
> this patch any more."
> http://permalink.gmane.org/gmane.linux.kernel.mm/67653 and want to use
> a comment instead of this confusing usage.
> https://lkml.org/lkml/2011/8/29/187
>
> So, as to this regression, from my viewpoint, reverting the
> DEACTIVATE_TO_TAIL incorrect usage(commit 136333d104) is a better way.
> :)

The enum is fine. I don't see any reason to revert the whole commit if 
Shaohua's patch fixes the problem.

 			Pekka

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  parent reply	other threads:[~2011-11-15  6:45 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-10  8:04 [patch] slub: fix a code merge error Shaohua Li
2011-11-10 14:44 ` Christoph Lameter
2011-11-10 20:18 ` David Rientjes
2011-11-10 20:30   ` Pekka Enberg
2011-11-11  0:33     ` Shaohua Li
2011-11-14  1:56     ` alex shi
2011-11-14  3:12       ` Shaohua Li
2011-11-15  6:45       ` Pekka Enberg [this message]
2011-11-16 23:06         ` David Rientjes

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