Re: numastats updates
Christoph Lameter <[email protected]> Thu, 10 Apr 2014 20:48:04 -0500 (CDT)
| Newsgroups | org.kernel.vger.linux-numa,it.linux.lists.ltp |
|---|---|
| Message-ID | <alpine.DEB.2.10.1404102046170.4702@nuc> |
On Thu, 10 Apr 2014, Stanislav Kholmanskikh wrote: > On 04/08/2014 10:03 PM, Christoph Lameter wrote: > > On Tue, 8 Apr 2014, Stanislav Kholmanskikh wrote: > > > > > Forgot to mention. This eight-node system has 8k pages, two-node - 4k > > > pages. > > > > So they are not x86? There are some counter races on !x86. > > Yes. This is Linux on SPARC. Hmmm... I just got the infrastructure merged to define fast counter updates. If we would define raw_cpu_ops for sparc then we could fix the issue. Sparc has atomics that can increment a register relative to a percpu base register right?