Re: [PATCH 6/6] zsmalloc: make zsmalloc portable

From: Seth Jennings
Date: Wed Apr 25 2012 - 12:39:11 EST


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.

Thanks,
Seth

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