[PATCH 4/8] Use vmalloc for large cgroups pidlist allocations

Li Zefan lizf at cn.fujitsu.com
Wed Aug 19 19:54:25 PDT 2009


Paul Menage wrote:
> On Wed, Aug 19, 2009 at 7:37 PM, Li Zefan<lizf at cn.fujitsu.com> wrote:
>> I come to realize the "procs" file will make it much harder to convert
>> vmalloc/kmalloc with a different solution..
>>
> 
> Why do you think that?
> 

To avoid showing duplicate threadgroup pids, when dealing with a
thread, you have to check backwards to see if it's group pid
has been printed. Maybe it doesn't add much extra cost with your
proposal, we'll see.



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