Re: kswapd hogging in lowmem_shrink

2015-03-16 Thread Rik van Riel
On 03/16/2015 03:45 AM, Vaibhav Shinde wrote: > > > On Fri, Mar 13, 2015 at 7:52 AM, Rik van Riel > wrote: >> >> On 03/13/2015 10:25 AM, Vaibhav Shinde wrote: >> > >> > On low memory situation, I see various shrinkers being invoked, but in >> > lowmem_shrink() case, kswap

Re: kswapd hogging in lowmem_shrink

2015-03-13 Thread Michal Hocko
On Fri 13-03-15 19:55:27, Vaibhav Shinde wrote: > On low memory situation, I see various shrinkers being invoked, but in > lowmem_shrink() case, kswapd is found to be hogging for around 150msecs. > > Due to this my application suffer latency issue, as the cpu was not > released by kswapd0. > > I

Re: kswapd hogging in lowmem_shrink

2015-03-13 Thread Rik van Riel
On 03/13/2015 10:25 AM, Vaibhav Shinde wrote: > > On low memory situation, I see various shrinkers being invoked, but in > lowmem_shrink() case, kswapd is found to be hogging for around 150msecs. > > Due to this my application suffer latency issue, as the cpu was not > released by kswapd0. > > I