On 11/02/2012 11:53 AM, Jiri Slaby wrote:
> 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.

Damn it. It recurred right now, with both patches applied. After I
started a java program which consumed some more memory. Though there are
still 2 gigs free, kswap is spinning:
[<ffffffff810b00da>] __cond_resched+0x2a/0x40
[<ffffffff811318a0>] shrink_slab+0x1c0/0x2d0
[<ffffffff8113478d>] kswapd+0x66d/0xb60
[<ffffffff810a25d0>] kthread+0xc0/0xd0
[<ffffffff816aa29c>] ret_from_fork+0x7c/0xb0
[<ffffffffffffffff>] 0xffffffffffffffff

-- 
js
suse labs
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