Date: Sun, 19 Dec 2004 16:39:52 +1100 From: Peter Zelezny <peterzelezny@dodo.com.au> To: freebsd-questions@freebsd.org Subject: MD driver on physical ram? (64MB cachable problem) Message-ID: <20041219163952.4e387060.peterzelezny@dodo.com.au>
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Hi All, Would it be possible to use the 'md' driver on a physical address? I'm particularly interested if someone has some hacks or custom patches that would allow this. The problem I have on some old hardware is that the chipset can only cache the first 64MB in L2, but the machine has 128MB total. I'd like to limit the memory with MAXMEM=64M, and then mount the remaining memory as a very fast swap drive. Thanks in advance for any ideas. Peter.
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