Returns the address of an mbuf cross-memory descriptor.
Item | Description |
---|---|
m | Specifies the address of the mbuf structure in question. |
The M_XMEMD macro returns the address of an mbuf cross-memory descriptor.
The M_XMEMD macro can be called from either the process or interrupt environment.
The M_XMEMD macro can be used as in the following example:
struct mbuf *m;
struct xmem *xmemd;
xmemd = M_XMEMD(m);