On Wed, May 23, 2007 at 05:32:31AM -0400, Kris Kennaway wrote: > I would actually be interested to know how Solaris gets away with > this. It sounds like there must be less of a distinction between > memory allocated to the kernel and to userland, and the ability for > memory to flow between these two with some form of backpressure when > userland wants memory that is currently gobbled by up solaris ZFS. > > This kind of system probably makes good sense (although maybe there > are trade-offs), but anyway it's not how FreeBSD does it. After some further thought I guess the difference is just that on a 64-bit kernel you don't have KVA issues and can indeed map all of physical RAM into the kernel for caching. KrisReceived on Wed May 23 2007 - 08:06:32 UTC
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