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List:       freebsd-hackers
Subject:    Re: Contiguous physical memory
From:       Alan Cox <alan.l.cox () gmail ! com>
Date:       2010-10-27 20:46:33
Message-ID: AANLkTi=3w=BXunAi5cKmyj6-SrBaQ5Wev6pghayU0QDb () mail ! gmail ! 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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