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Brian Behlendorf 3336e29cc2 Add slab usage summeries to /proc 
One of the most common things you want to know when looking at
the slab is how much memory is being used.  This information was
available in /proc/spl/kmem/slab but only on a per-slab basis.
This commit adds the following /proc/sys/kernel/spl/kmem/slab*
entries to make total slab usage easily available at a glance.

  slab_kmem_total - Total kmem slab size
  slab_kmem_avail - Alloc'd kmem slab size
  slab_kmem_max   - Max observed kmem slab size
  slab_vmem_total - Total vmem slab size
  slab_vmem_avail - Alloc'd vmem slab size
  slab_vmem_max   - Max observed vmem slab size

NOTE: The slab_*_max values are expected to over report because
they show maximum values since boot, not current values.
2011-04-06 20:06:03 -07:00
cmd Support custom build directories 2010-09-05 21:49:05 -07:00
config Make Missing Modules.symvers Fatal 2011-03-07 13:09:01 -08:00
include Add slab usage summeries to /proc 2011-04-06 20:06:03 -07:00
lib Support custom build directories 2010-09-05 21:49:05 -07:00
module Add slab usage summeries to /proc 2011-04-06 20:06:03 -07:00
patches Reimplement rwlocks for Linux lock profiling/analysis. 2009-09-18 16:09:47 -07:00
scripts Load zlib_inflate.ko 2011-03-22 12:18:44 -07:00
.gitignore Ignore unsigned module build products 2010-03-11 14:29:17 -08:00
AUTHORS Public Release Prep 2010-05-17 15:18:00 -07:00
autogen.sh Public Release Prep 2010-05-17 15:18:00 -07:00
ChangeLog Prep for spl-0.5.0 tag 2010-08-13 09:33:50 -07:00
configure Make Missing Modules.symvers Fatal 2011-03-07 13:09:01 -08:00
configure.ac Support custom build directories 2010-09-05 21:49:05 -07:00
COPYING Public Release Prep 2010-05-17 15:18:00 -07:00
DISCLAIMER Public Release Prep 2010-05-17 15:18:00 -07:00
INSTALL Public Release Prep 2010-05-17 15:18:00 -07:00
Makefile.am Support custom build directories 2010-09-05 21:49:05 -07:00
Makefile.in Support custom build directories 2010-09-05 21:49:05 -07:00
META Prep spl-0.6.0-rc2 tag 2011-03-09 15:16:10 -08:00
README.markdown Fix markdown rendering 2010-09-15 09:05:34 -07:00
spl_config.h.in Linux compat 2.6.37, invalidate_inodes() 2011-02-23 12:44:32 -08:00
spl-modules.spec.in Update CHAOS 5 Packaging 2011-03-31 13:49:22 -07:00
spl.spec.in Remove usage of the __id_u macro for portability. 2009-10-05 12:51:58 -07:00

README.markdown

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