Re: [PATCH] Export mlock information via smaps

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On Tue, Aug 17, 2010 at 10:39:31AM +0530, Nikanth Karthikesan wrote:
> Currently there is no way to find whether a process has locked its pages in
> memory or not. And which of the memory regions are locked in memory.
> 
> Add a new field to perms field 'l' to export this information. The information
> exported via maps file is not changed.
> 
> Signed-off-by: Nikanth Karthikesan <knikanth@xxxxxxx>
Reviewed-by: Minchan Kim <minchan.kim@xxxxxxxxx>

Cced Matt. 

It would be good if we have a such thing. 
In addtion, code itself looks good to me. :)

But I have a question. 
Why didn't you change /proc/map? 
Due to ABI? So then, Is it okay to change smaps ABI?

I don't know there is any well-known tool to use smap information. 
Maybe Matt have the answer. 


-- 
Kind regards,
Minchan Kim

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