Messages in this thread | | | Date | Fri, 02 Nov 2012 20:45:07 +0100 | From | Jiri Slaby <> | Subject | Re: kswapd0: excessive CPU usage |
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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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