On Fri, Nov 15, 2002 at 11:03:44AM -0600, mark tinguely wrote: [snip] > The memory is avaliable to the kernel/drivers when bus_dmamem_free() is > called. The problem for you is that someone else does allocate a > page within the 16 page chunk making it unable to reallocatable by you, > so the next bus_dmamem_alloc() looks for the next 16 page contiguous > chunk. This continues until there is no more 16 page contiguous chunks > available and the bus_dmamem_alloc() fails. FreeBSD does not have a > physical memory defragmenter.
Ok, I get it now. Thanks to all for the explanation. Would a physical defragmenter be of interest? I can't work on it right away, but if there is interest, I could take a look at this later. -- Chuck Tuffli <chuck_tuffli AT NO_SPAM agilent DOT com> Agilent Technologies, Storage and Networking To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
