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Linux VM integration / device special files

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Support added to provide reasonable values for the global Solaris
VM variables: minfree, desfree, lotsfree, needfree.  These values
are set to the sum of their per-zone linux counterparts which
should be close enough for Solaris consumers.

When a non-GPL app links against the SPL we cannot use the udev
interfaces, which means non of the device special files are created.
Because of this I had added a poor mans udev which cause the SPL
to invoke an upcall and create the basic devices when a minor
is registered.  When a minor is unregistered we use the vnode
interface to unlink the special file.
This commit is contained in:
Brian Behlendorf
2009-02-04 15:15:41 -08:00
parent 31a033ecd4
commit 36b313dacf
13 changed files with 498 additions and 64 deletions
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configure.ac
+3
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@@ -69,6 +69,9 @@ SPL_AC_MONOTONIC_CLOCK
SPL_AC_INODE_I_MUTEX
SPL_AC_DIV64_64
SPL_AC_3ARGS_ON_EACH_CPU
SPL_AC_FIRST_ONLINE_PGDAT
SPL_AC_NEXT_ONLINE_PGDAT
SPL_AC_NEXT_ZONE
TOPDIR=`/bin/pwd`