User`s guide
Table Of Contents

41
Functions” in the IRIX Admin: Resource Administration manual and
the cpusetMove(3x) and cpusetMoveMigrate(3x) man pages.
• The IRIX 6.5.16 release adds a disable_uspollsema_chk systune
variable for the usopenpollsema(3P) library call. This variable
turns off the standard access mode checking on
usopenpollsema(3P) (set on the first call to usopenpollsema(3P)
via the acc parameter). Some older IRIX applications that were
written to work with usopenpollsema(3P) may now require this
variable.
For more information, see the usopenpollsema(3P) man page and
the /var/sysgen/mtune/kernel configuration file.
• The IRIX 6.5.16 release adds documentation for the following kernel
tunable parameters:
– min_bufmem general parameter
min_bufmem specifies the minimum amount of memory held by
filesystem metadata that is cached in the buffer cache when the
system runs into low memory conditions.
– rtcpus dispatch parameter
rtcpus controls the quality of the real-time scheduler.
– bdflush_interval filesystem parameter
bdflush_interval specifies the interval at which the
bdflush function executes to push dirty file data to disk.