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Brian Behlendorf
372c257233
It has become necessary to be able to optionally disable direct memory reclaim for certain taskqs. To support this the TASKQ_NORECLAIM flags has been added which sets the PF_MEMALLOC bit for all threads in the taskq.
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.
To build packages for your distribution:
$ ./configure
$ make pkg
Full documentation for building, configuring, and using the SPL can be found at: http://zfsonlinux.org