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| author | jhb <jhb@FreeBSD.org> | 2008-08-21 19:22:13 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2008-08-21 19:22:13 +0000 |
| commit | 50652bcc22780183839fe6fa005166e9dd57a38e (patch) | |
| tree | 24450952d17e34d418d84f2ec97f0ef92dfa0820 /lib | |
| parent | 2ceef8c561687016208fda8393575c07a54549d4 (diff) | |
| download | FreeBSD-src-50652bcc22780183839fe6fa005166e9dd57a38e.zip FreeBSD-src-50652bcc22780183839fe6fa005166e9dd57a38e.tar.gz | |
Add a "CACHING" section regarding the internal caching of kernel variables
and the ability to clear that cache.
Diffstat (limited to 'lib')
| -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 87cd139..40f16ac 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 |
