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| author | trhodes <trhodes@FreeBSD.org> | 2009-01-24 01:46:46 +0000 |
|---|---|---|
| committer | trhodes <trhodes@FreeBSD.org> | 2009-01-24 01:46:46 +0000 |
| commit | 5ac2a4f984f59e47b6a093474fd1e648db060da5 (patch) | |
| tree | 13bf50e6cf0b2d0eaaa93bf5c76e089486512e3f /share | |
| parent | a9601871c9cab7b5c2e29040b753a7ef82517e43 (diff) | |
| download | FreeBSD-src-5ac2a4f984f59e47b6a093474fd1e648db060da5.zip FreeBSD-src-5ac2a4f984f59e47b6a093474fd1e648db060da5.tar.gz | |
Add a comment on kern.ipc.maxpipekva.
PR: 105997
Reviewed by: keramida
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man7/tuning.7 | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/share/man/man7/tuning.7 b/share/man/man7/tuning.7 index 45aee26..f95047b 100644 --- a/share/man/man7/tuning.7 +++ b/share/man/man7/tuning.7 @@ -23,7 +23,7 @@ .\" .\" $FreeBSD$ .\" -.Dd November 19, 2007 +.Dd January 23, 2009 .Dt TUNING 7 .Os .Sh NAME @@ -402,6 +402,16 @@ In this document we will only cover the ones that have the greatest effect on the system. .Pp The +.Va kern.ipc.maxpipekva +loader tunable is used to set a hard limit on the amount of pageable +address space available. +This value is auto tuned by the system, but may require manual tuning +in a few rare cases. +Increasing this value to a higher setting, such as `25165824' might +improve performance on systems where pageable address space is +quickly exhausted. +.Pp +The .Va kern.ipc.shm_use_phys sysctl defaults to 0 (off) and may be set to 0 (off) or 1 (on). Setting |
