Re: kswapd0: excessive CPU usage

[Jiri Slaby]

On 11/02/2012 11:44 AM, Zdenek Kabelac wrote:
>>> Yes, applying this instead of the revert fixes the issue as well.
> 
> I've applied this patch on 3.7.0-rc3 kernel - and I still see excessive
> CPU usage - mainly  after  suspend/resume
> 
> Here is just simple  kswapd backtrace from running kernel:

Yup, this is what we were seeing with the former patch only too. Try to
apply the other one too:
https://patchwork.kernel.org/patch/1673231/

For me I would say, it is fixed by the two patches now. I won't be able
to report later, since I'm leaving to a conference tomorrow.

> kswapd0         R  running task        0    30      2 0x00000000
...
>  [<ffffffff81141e2a>] shrink_slab+0xba/0x510

thanks,
-- 
js
suse labs
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