linux-kernel - Re: [PATCH 6/6] zsmalloc: make zsmalloc portable

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Message-ID: <4F98AD2D.3070900@kernel.org>
Date:	Thu, 26 Apr 2012 11:04:29 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Seth Jennings <sjenning@...ux.vnet.ibm.com>
CC:	Nitin Gupta <ngupta@...are.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 6/6] zsmalloc: make zsmalloc portable

On 04/26/2012 01:37 AM, Seth Jennings wrote:

> Hey Minchan,
> 
> Thanks for the patches!
> 
> On 04/25/2012 09:32 AM, Nitin Gupta wrote:
>> I think Seth was working on this improvement but not sure about the
>> current status. Seth?
> 
> Yes, I looked at this option, and it is very clean and portable.
> 
> Unfortunately, IIRC, with our rate of mapping/unmapping,
> flush_tlb_kernel_range() causes an IPI storm that effective
> stalls the machine.
> 
> I'll apply your patch and try it out.


Seth, Thanks!

-- 
Kind regards,
Minchan Kim
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