Rik van Riel wrote: > Dave Hansen wrote: > >> My main thought is that _everybody_ is going to have to live with the >> entry in the 'struct page'. Distros ship one kernel for everybody, and >> the cost will be paid by those not even using any kind of resource >> control or containers. > > > Every userspace or page cache page will be in an object > though. Could we do the pointer on a per object (mapping, > anon vma, ...) basis? in this case no memory fractions accounting is possible :/ please, note, this field added by this patchset is in union and used by user pages accounting as well. > Kernel pages are not using all of their struct page entries, > so we could overload a field. yeah, we can. probably mapping. but as I said we use the same pointer for user pages accounting as well.
> It all depends on how much we really care about not growing > struct page :) so what is your opinion? Kernel compiled w/o UBC do not introduce additional pointer. Thanks, Kirill ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ ckrm-tech mailing list https://lists.sourceforge.net/lists/listinfo/ckrm-tech
