Messages in this thread | | | Subject | Re: [patch] SLQB slab allocator (try 2) | From | Peter Zijlstra <> | Date | Mon, 26 Jan 2009 10:10:51 +0100 |
| |
On Mon, 2009-01-26 at 10:07 +0100, Peter Zijlstra wrote: > On Mon, 2009-01-26 at 10:48 +0200, Pekka Enberg wrote: > > Christoph has expressed concerns over latency issues of SLQB, I suppose > > it would be interesting to hear if it makes any difference to the > > real-time folks. > > I'll 'soon' take a stab at converting SLQB for -rt. Currently -rt is > SLAB only. > > Then again, anything that does allocation is per definition not bounded > and not something we can have on latency critical paths -- so on that > respect its not interesting.
Before someone pipes up, _yes_ I do know about RT allocators and such.
No we don't do that in-kernel, other than through reservation mechanisms like mempool -- and I'd rather extend that than try and get page reclaim bounded.
Yes, I also know about folks doing RT paging, and no, I'm not wanting to hear about that either ;-)
| |