Re: numactl using it's own affinity to determine CPU set
Petr Holasek <[email protected]> Tue, 23 Oct 2012 23:17:08 +0200
| Newsgroups | org.kernel.vger.linux-numa |
|---|---|
| Message-ID | <[email protected]> |
On Tue, 23 Oct 2012, Cliff Wickman wrote: > Hi Petr, > > On Tue, Oct 23, 2012 at 02:21:40PM +0200, Petr Holasek wrote: > > btw, Cliff, can you remember what was the reason for this change in some > > version after 1.0? > > > > Petr > > Memory nodes allowed was made cpuset-aware by the below patch. > I'm not quite sure if this is the change you are asking about. > > patch 0804_ls_patch2 > From: Lee Schermerhorn <[email protected]> > Date: Wed, 02 Apr 2008 14:34:37 -0400 > > Depends-on: MPOL_F_MEMS_ALLOWED kernel patch > Provide libnuma API for MPOL_F_MEMS_ALLOWED flag. > Return nodes allowed by the application's current cpuset context > via new API numa_get_mems_allowed(). > > +.BR numa_get_mems_allowed() > +returns the mask of nodes from which the process is allowed to allocate > +memory in it's current cpuset context. Thank you! I'll check it. Petr