Tunable Kernel Parameters

Table Of Contents
Miscellaneous Parameters
Miscellaneous Parameter Summary
Chapter 11
63
Fast Symbolic Link Traversal Parameter Summary
Reserved System Memory Parameter Summary
Network Parameter Summary
Queued Signals Parameter Summary
Real-Time Priority Parameter Summary
Miscellaneous:
Links
create_fastlinks Create fast symbolic links using a newer, more efficient
format to improve access speed by reducing disk block
accesses during path name look-up sequences. Manpage:
create_fastlinks (5).
Miscellaneous:
Memory
eqmemsize Number of pages of memory to be reserved for
equivalently mapped memory, used mostly for DMA
transfers. Manpage: eqmemsize (5).
Miscellaneous:
Memory
nsysmap Number of entries in the kernel dynamic memory virtual
address space resource map (32-bit processes). Manpage:
nsysmap (5).
Miscellaneous:
Memory
nsysmap64 Number of entries in the kernel dynamic memory virtual
address space resource map (64-bit processes). Manpage:
nsysmap (5).
Miscellaneous:
Memory
unlockable_mem Amount of system memory to be reserved for system
overhead and virtual memory management, that cannot
be locked by user processes. Manpage: unlockable_mem
(5).
Miscellaneous:
Network
tcphashsz TCP hash table size, in bytes. Manpage: tcphashsz (5).
Miscellaneous:
Queue
ksi_alloc_max Maximum number of system-wide queued signals that can
be allocated. Manpage: ksi_alloc_max (5).
Miscellaneous:
Queue
ksi_send_max Maximum number of queued signals that a process can
send and have pending at one or more receivers. Manpage:
ksi_send_max (5).
Miscellaneous:
Schedule
rtsched_numpri Number of distinct real-time interrupt scheduling priority
levels are available on the system. Manpage:
rtsched_numpri (5).