shmmax

Description

The shmmax parameter specifies the maximum size of an individual shared memory segment.

This parameter is specified in /var/sysgen/mtune/shm.

Value

Default: (rlimit_vmem_cur * NBPP) (0x20000000)

32-bit Range: 0x1000 - 0x7fffffff

64-bit Range: 0x1000 - 0x7fffffffffffffff

When to Change

Keep this parameter small if it is necessary that a single shared memory segment not use too much memory.