Date: Wed, 27 Oct 2010 15:46:33 -0500 From: Alan Cox <alan.l.cox@gmail.com> To: "Dr. Baud" <drbaud@yahoo.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Contiguous physical memory Message-ID: <AANLkTi=3w=BXunAi5cKmyj6-SrBaQ5Wev6pghayU0QDb@mail.gmail.com> In-Reply-To: <89857.29286.qm@web120719.mail.ne1.yahoo.com> References: <89857.29286.qm@web120719.mail.ne1.yahoo.com>
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On Wed, Oct 27, 2010 at 2:17 PM, Dr. Baud <drbaud@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
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