OpenVZ Forum


Home » Mailing lists » Devel » Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core)
Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) [message #5339 is a reply to message #5336] Thu, 17 August 2006 17:35 Go to previous messageGo to previous message
Andi Kleen is currently offline  Andi Kleen
Messages: 33
Registered: February 2006
Member
On Thursday 17 August 2006 19:28, Rohit Seth wrote:
> On Thu, 2006-08-17 at 11:19 -0400, 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?
> >
> > Kernel pages are not using all of their struct page entries,
> > so we could overload a field.
>
> Bingo. Even though it has the word "overload".

You would need to be careful. Both the rewritten slab and the new
tree network allocator use struct page fields already. There might
be conflicts already.

-Andi (who still doesn't see what's so bad about a separate table)

Report message to a moderator

[Message index]
 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: [PATCH] e1000: e1000_probe resources cleanup
Next Topic: Linux Containers : next steps
Goto Forum:
  

[ Syndicate this forum (XML) ] [ RSS ] [ PDF ]

Current Time: Fri Jul 10 22:14:13 GMT 2026

Total time taken to generate the page: 0.29900 seconds
Powered by FUDforum Powered by Virtuozzo Containers