[Devel] Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters

Alan Cox alan at lxorguk.ukuu.org.uk
Tue Aug 22 03:02:50 PDT 2006


Ar Llu, 2006-08-21 am 18:45 -0700, ysgrifennodd Rohit Seth:
> I think as the tasks move around, it becomes very heavy to move all the
> pages belonging to previous container to a new container.

Its not a meaningful thing to do. Remember an object may be passed
around or shared. The simple "creator pays" model avoids all the heavy
overheads while maintaining the constraints.

Its only user space pages that some of this (AS and RSS) become
interesting as "movable" objects





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