diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml index 9a269daf7b..fad97ce31f 100644 --- a/doc/src/sgml/runtime.sgml +++ b/doc/src/sgml/runtime.sgml @@ -1,5 +1,5 @@ @@ -886,19 +886,19 @@ sysctl -w kern.sysv.shmall changes take effect. - + + In OS X 10.3.9 and later, the file /etc/sysctl.conf + allows shared memory setting to be saved across operating system + upgrades, and is the recommended method for setting these + parameters. When using this file, all five shared memory values + must be set or the changes will be ignored. + - SHMALL is measured in 4KB pages on this platform. - Also note that some releases of OS X will reject attempts to - set SHMMAX to a value that isn't an exact multiple - of 4096. + SHMALL is measured in 4KB pages on this platform, + and recent releases of OS X reject attempts to set + SHMALL and SHMMAX to a value + that isn't an exact multiple of 4096.