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-rw-r--r--lib/libkvm/kvm_getpcpu.38
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
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