Date: Tue, 23 Dec 2003 07:23:47 -0600 (CST) From: James Van Artsdalen <james-freebsd-amd64@jrv.org> To: freebsd-amd64@freebsd.org Subject: bounce buffer statistics? Message-ID: <200312231323.hBNDNlFK025847@bigtex.jrv.org>
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Are there any sysctl variables that report the number of bounce-buffer related copies that the kernel must make due to limited address ranges of devices? I have 8 GB of RAM and a 32-bit sATA controller than can't directly address memory above 4 GB. I'm wondering how much that is really hurting.
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