> YAMAMOTO Takashi wrote: > > hi, > > > > i tried to reproduce the large swap cache issue, but no luck. > > can you provide a little more detailed instruction? > > > This issue also happens on generic 2.6.25-rc3-mm1 > (with limitting only memory), so I think this issue is not > related to your patch. > I'm investigating this issue too. > > Below is my environment and how to reproduce. > > - System > full virtualized xen guest based on RHEL5.1(x86_64). > CPU: 2 > memory: 2GB > swap: 1GB > A config of the running kernel(2.6.25-rc3-mm1 with your patch) > is attached. > > - how to reproduce > - change swappines to 100 > > echo 100 >/proc/sys/vm/swappiness > > - mount cgroup fs > > # mount -t cgroup -o memory,swap none /cgroup > > - make cgroup for test > > # mkdir /cgroup/02 > # echo -n 64M >/cgroup/02/memory.limit_in_bytes > # echo -n `expr 128 \* 1024 \* 1024` >/cgroup/02/swap.limit_in_bytes > > - run test > > # echo $$ >/cgropu/02/tasks > # while true; do make clean; make -j2; done > > In other terminals, I run some monitoring processes, top, > "tail -f /var/log/messages", and displaying *.usage_in_bytes > every seconds. > > > Thanks, > Daisuke Nishimura. what i tried was essentially same. for me, once vm_swap_full() got true, swap cache stopped growing as expected. http://people.valinux.co.jp/~yamamoto/swap.png it was taken by running while :;do swapon -s|tail -1;sleep 1;done > foo in an unlimited cgroup, and then plotted by gnuplot. plot "foo" u 4 as my system has 1GB swap configured, the vm_swap_full() threshold is around 500MB. YAMAMOTO Takashi _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers