On Wed, Oct 27, 2010 at 2:17 PM, Dr. Baud <drbaud at yahoo.com> wrote: > > Can anyone suggest a method/formula to monitor contiguous physical > memory > allocations such that one could predict when contigmalloc(), make that > bus_dmamem_alloc might fail? > > >From the command line you can obtain this information with "sysctl vm.phys_free". Alan