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Date:	Thu, 24 Jul 2014 01:27:28 +0000
From:	"Ren, Qiaowei" <qiaowei.ren@...el.com>
To:	"Hansen, Dave" <dave.hansen@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>
CC:	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: RE: [PATCH v7 09/10] x86, mpx: cleanup unused bound tables



On 2014-07-24, Hansen, Dave wrote:
> On 07/23/2014 05:49 PM, Ren, Qiaowei wrote:
>> I can check a lot of debug information when one VMA and related
>> bounds tables are allocated and freed through adding a lot of
>> print() like log into kernel/runtime. Do you think this is enough?
> 
> I thought the entire reason we grabbed a VM_ flag was to make it
> possible to figure out without resorting to this.

All cleanup work certainly depends on this VM_ flag. In addition, as we discussed, this new VM_ flag can mainly have runtime know how much memory is occupied by MPX.

Thanks,
Qiaowei

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