Re: [RFC][PATCH] memcg soft limit (yet another new design) v1

[KAMEZAWA Hiroyuki]

Balbir Singh wrote:
> * KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> [2009-03-27
> 13:59:33]:

>>   When vm.swappiness = 60  => 60MB of memory are swapped out from B.
>>   When vm.swappiness = 10  => 1MB of memory are swapped out from B
>>
>>   If no soft limit, 350MB of swap out will happen from B.(swapiness=60)
>>
>
> How did you calculate the swap usage of group B?
>
 memsory.memsw.usage_in_bytes - memory.usage_in_bytes.

>> I'll try much more complexed ones in the weekend.
>
> You might want to try experiments where the group with the higher soft
> limit starts much later than the group with lower soft limit and both
> have a high demand for memory. Also try corner cases such as soft
> limits being 0, or groups where soft limits are equal, etc.
>
thx, good input. maybe I need some hook in "set soft limit" path.

> We have a long weekend, so I've been unable to test/review your
> patches. I'll do so soon if possible.
>
thank you.
-Kame

> --
> 	Balbir
>


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/