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Brian Behlendorf
79a3bf130b
As of linux-2.6.33 the ctl_name member of the ctl_table struct has been entirely removed. The upstream code has been updated to depend entirely on the the procname member. To handle this all references to ctl_name are wrapped in a CTL_NAME macro which simply expands to nothing for newer kernels. Older kernels are supported by having it expand to .ctl_name = X just as before.
The Solaris Porting Layer (SPL) is a Linux kernel module which provides many of the Solaris kernel APIs. This shim layer makes it possible to run Solaris kernel code in the Linux kernel with relatively minimal modification. This can be particularly useful when you want to track upstream Solaris development closely and don’t want the overhead of maintaining a large patch which converts Solaris primitives to Linux primitives.
Documentation for building, configuring, and using the SPL can be found at: http://wiki.github.com/behlendorf/spl/