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Date:   Fri, 3 May 2019 08:46:18 +0200
From:   Steffen Klassert <>
To:     Vakul Garg <>
CC:     Florian Westphal <>,
        "" <>
Subject: Re: [RFC HACK] xfrm: make state refcounting percpu

On Fri, May 03, 2019 at 06:34:29AM +0000, Vakul Garg wrote:
> > -----Original Message-----
> > From: Steffen Klassert <>
> > 
> > Also, is this a new problem or was it always like that?
> It is always like this. On 4-core, 8-core platforms as well, these atomics consume significant cpu 
> (8 core cpu usage is more than 4 core).

Ok, so it is not a regression. That's what I wanted to know.

Did the patch from Florian improve the situation?

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