bounce buffer statistics?

James Van Artsdalen james-freebsd-amd64 at
Tue Dec 23 05:23:50 PST 2003

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

More information about the freebsd-amd64 mailing list