Architecture independent level 1 (DDI/DKI).

bp

Pointer to a previously allocated buffer header structure.

freerbuf() frees a raw buffer header previously allocated by getrbuf(9F). This function does not sleep and so may be called from an interrupt routine.

freerbuf() can be called from user or interrupt context.

getrbuf(9F), kmem_alloc(9F), kmem_free(9F), kmem_zalloc(9F)