Tunable Kernel Parameters
Table Of Contents
- Tunable Kernel Parameters
- Legal Notices
- Revision History
- Conventions
- 1 Overview
- 2 Accounting Subsystem
- 3 Asynchronous I/O Subsystem
- 4 File System Subsystem
- 5 Interprocess Communication (IPC) Subsystem
- 6 Kernel Crash Dump Subsystem
- 7 Memory Paging Subsystem
- 8 Process Management Subsystem
- 9 Spinlock Pool
- 10 Streams Subsystem
- 11 Miscellaneous Parameters
- Miscellaneous Parameter Summary
- CD-ROM Parameter Summary
- System Clock Parameter Summary
- Disk I/O Parameter Summary
- Intrusion Detection System/9000
- Fast Symbolic Link Traversal Parameter Summary
- Reserved System Memory Parameter Summary
- Network Parameter Summary
- Queued Signals Parameter Summary
- Real-Time Priority Parameter Summary
- Terminal Parameter Summary
- Maximum Users Parameter Summary
- Web Server Parameter Summary
- Miscellaneous Parameter Summary
- A Table of Tunable Kernel Parameters

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).