[Devel] Re: No limitation in physical memory in cgroups

anqin anqin.qin at gmail.com
Fri May 22 02:25:12 PDT 2009


I have recompiled the kernel and tested again.
When I set the limitation of swap, the test program
is killed when it want to apply more memory.

Thanks.


>> hmm....  I am not sure. I just compiled the kernel at default.
>> Where can I check the boot parameter? In /boot/grub/menu.list,
>> no the parameter yet.
>>
> Hmm. When
>
> CONFIG_CGROUP_MEM_RES_CTLR=y
> CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y
>
> And no special boot option, the memory cgroup directory will be.
> ==
> [root at bluextal cgroup]# ls /cgroups/A/
> memory.failcnt                   memory.memsw.usage_in_bytes
> memory.force_empty               memory.stat
> memory.limit_in_bytes            memory.swappiness
> memory.max_usage_in_bytes        memory.usage_in_bytes
> memory.memsw.failcnt             memory.use_hierarchy
> memory.memsw.limit_in_bytes      notify_on_release
> memory.memsw.max_usage_in_bytes  tasks
> ==
>
> You can see memory.memsw.* for limiting mem+swap usage.
> This memory.memsw. files disappears when you set "noswapaccount" boot option...
>
> I can only say "counld you confirm again ?"
>  config, the kernel version etc...
>
> Sorry for no help.
>
> Bye.
> -Kame
>
>
>
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