Re: [PATCH 4/2] numa, mm: Rename the PROT_NONE fault handling functions

2012-10-21 Thread Ingo Molnar
* Ingo Molnar wrote: > > Michel indicated that he does not use PROT_NONE for his > > working set estimation code, but instead checks the accessed > > bits in the page tables. > > The pte_young() WSS method has a couple of fundamental > limitations: > > - it doesn't work with shared memory

Re: [PATCH 4/2] numa, mm: Rename the PROT_NONE fault handling functions

2012-10-21 Thread Ingo Molnar
* Rik van Riel wrote: > On 10/21/2012 08:50 AM, Ingo Molnar wrote: > > > >* Ingo Molnar wrote: > > > I don't much care either way, but I was thinking walken > might want to use something similar to do WSS estimation, > in which case the NUMA name is just as wrong. > >>> > >>>That's

Re: [PATCH 4/2] numa, mm: Rename the PROT_NONE fault handling functions

2012-10-21 Thread Rik van Riel
On 10/21/2012 08:50 AM, Ingo Molnar wrote: * Ingo Molnar wrote: I don't much care either way, but I was thinking walken might want to use something similar to do WSS estimation, in which case the NUMA name is just as wrong. That's a good point. I had not considered other uses of the same co

[PATCH 4/2] numa, mm: Rename the PROT_NONE fault handling functions

2012-10-21 Thread Ingo Molnar
* Ingo Molnar wrote: > > > I don't much care either way, but I was thinking walken > > > might want to use something similar to do WSS estimation, > > > in which case the NUMA name is just as wrong. > > > > That's a good point. I had not considered other uses of the > > same code. > > Renam