Solaris Tunable Parameters Reference Manual

shmsys:shminfo_shmmin

Description

Minimum size of system V shared memory segment that can be created.

Data Type

Unsigned long

Default

1

Range

0 to amount of physical memory

Units

Bytes

When to Change

Not recommended. System programs such as powerd might fail if this value is too large. Programs attempting to create a section smaller than the value of shminfo_shmmin will see an EINVAL error when attempting to create the segment and generally, will exit.

Commitment Level

Unstable

Changes From Previous Release

See shmsys:shminfo_shmmin for more information.