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| author | John Baldwin <jhb@FreeBSD.org> | 2008-08-21 19:22:13 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2008-08-21 19:22:13 +0000 |
| commit | cd11f01e4a0022cf28cc3c8b80f58c2e91b44d27 (patch) | |
| tree | 24450952d17e34d418d84f2ec97f0ef92dfa0820 /lib/libkvm | |
| parent | 0e5f2a774841c924c2748a84c762d60783b49f5d (diff) | |
| download | src-cd11f01e4a0022cf28cc3c8b80f58c2e91b44d27.tar.gz src-cd11f01e4a0022cf28cc3c8b80f58c2e91b44d27.zip | |
Add a "CACHING" section regarding the internal caching of kernel variables
and the ability to clear that cache.
Notes
Notes:
svn path=/head/; revision=181969
Diffstat (limited to 'lib/libkvm')
| -rw-r--r-- | lib/libkvm/kvm_getpcpu.3 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/libkvm/kvm_getpcpu.3 b/lib/libkvm/kvm_getpcpu.3 index 87cd139ca69f..40f16ac7e53c 100644 --- a/lib/libkvm/kvm_getpcpu.3 +++ b/lib/libkvm/kvm_getpcpu.3 @@ -71,6 +71,14 @@ If is not active, then .Dv NULL is returned instead. +.Sh CACHING +These functions cache the nlist values for various kernel variables which are +reused in successive calls. +You may call either function with +.Fa kd +set to +.Dv NULL +to clear this cache. .Sh RETURN VALUES On success, the .Fn kvm_getmaxcpu |