(ipc.info.gz) shmlimits

Info Catalog

(ipc.info.gz) shmctl

(ipc.info.gz) Shared Memory

(ipc.info.gz) Notes

 
 1.7.5 Limits on Shared Memory Resources
 ---------------------------------------
 
 Limits:
    * SHMMNI  max num of shared segments system wide ... 4096.
 
    * SHMMAX  max shared memory segment size (bytes) ... 4M
 
    * SHMMIN  min shared memory segment size (bytes).  1 byte (though
      PAGE_SIZE is the effective minimum size).
 
    * SHMALL  max shared mem system wide (in pages) ... policy.
 
    * SHMLBA  segment low boundary address multiple.  Must be page
      aligned. SHMLBA = PAGE_SIZE.
    Unused or unimplemented:
 SHMSEG : maximum number of shared segments per process.
 

Info Catalog

(ipc.info.gz) shmctl

(ipc.info.gz) Shared Memory

(ipc.info.gz) Notes