Re: Re: Re: [PATCH 1/6] res_counter: handle limit change

From: kamezawa . hiroyu
Date: Mon Jun 16 2008 - 04:54:33 EST


----- Original Message -----
>>> I think when I did all in memcg, someone will comment that "why do that
>>> all in memcg ? please implement generic one to avoid code duplication"
>>
>>Hm... But we're choosing between
>>
>>sys_write->xxx_cgroup_write->res_counter_set_limit->xxx_cgroup_call
>>
>>and
>>
>>sys_write->xxx_cgroup_write->res_counter_set_limit
>> ->xxx_cgroup_call
>>
>>With the sizeof(void *)-bytes difference in res_counter, nNo?
>>
>I can't catch what you mean. What is res_counter_set_limit here ?
>(my patche's ?) and what is sizeof(void *)-bytes ?
>
>Is it so strange to add following algorithm in res_counter?
>==
>set_limit -> fail -> shrink -> set limit -> fail ->shrink
>-> success -> return 0
>==
>I think this is enough generic.
>
This was previous request from Paul. (to hierarchy patch set)

http://marc.info/?l=linux-mm&m=121257010530546&w=2

I think this version meets his request. and I like this.

I don't want to waste more weeks. Then, what is bad ?
removing res_counter_ops is okay ?

Thanks,
-Kame


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