mbreq Structure for mbuf Kernel Services

Purpose

Contains mbuf structure registration information for the m_reg and m_dereg kernel services.

Syntax

#include <sys/mbuf.h>
struct mbreq {
                  int low_mbuf;
                  int low_clust;
                  int initial_mbuf;
                  int initial_clust;
}

Parameters

Item Description
low_mbuf Specifies the mbuf structure low-water mark.
low_clust Specifies the page-sized mbuf structure low-water mark.
initial_mbuf Specifies the initial allocation of mbuf structures.
initial_clust Specifies the initial allocation of page-sized mbuf structures.

Description

The mbreq structure specifies the mbuf structure usage expectations for a user of mbuf kernel services.