bsd/kern/uipc_mbuf.c

140  * never gets accessed.  When the slab layer is entered for allocation,
150  *	  composite object allocation }
207  * its bucket while it's adjusting to the allocation load.  Deallocation
350  * mbuf specific mcache allocation request flags.
843  * The legacy structure holding all of the mbuf allocation statistics.
1914  * during an allocation request whenever there is no available element in the
1917  * retry the allocation.
2034  * during an allocation or free request.  For the former, this is called
2081  * allocation requests.
2297  * during an allocation request whenever there is no available element in
2349 	 * Mark these allocation requests as coming from a composite cache.
2523  * during an allocation or free request.  For the former, this is called
2686 		 * But doing so tremendously simplifies the allocation
3214  * Space allocation routines; these are also available as macros
3407  * Perform `fast' allocation mbuf clusters from a cache of recently-freed
5003  * Cluster freelist allocation check.
5715  * and clusters.  If allocation fails and this cannot be completed, NULL will
5900  * Called during slab (blocking and non-blocking) allocation.  If there
5923  * Called during blocking allocation.  Returns TRUE if one or more objects
5924  * are available at the per-CPU caches layer and that allocation should be
6510  * This function records the allocation in the mleak_allocations table
6511  * and the backtrace in the mleak_traces table; if allocation slot is in use,
6512  * replace old allocation with new one if the trace slot is in use, return
6518 	struct mallocation *allocation;
6528 	allocation = &mleak_allocations[hashaddr((uintptr_t)addr,
6533 	VERIFY(allocation <= &mleak_allocations[mleak_alloc_buckets - 1]);
6536 	allocation->hitcount++;
6540 	 * If the allocation bucket we want is occupied
6543 	if (allocation->element != NULL &&
6544 	    trace_index == allocation->trace_index) {
6577 	/* Step 2: Store the allocation record in the allocations array */
6578 	if (allocation->element != NULL) {
6580 		 * Replace an existing allocation.  No need to preserve
6585 	} else if (allocation->trace_index != 0) {
6588 	allocation->element = addr;
6589 	allocation->trace_index = trace_index;
6590 	allocation->count = num;
6602 		struct mallocation *allocation = &mleak_allocations
6605 		if (allocation->element == addr &&
6606 		    allocation->trace_index < mleak_trace_buckets) {
6608 			if (allocation->element == addr &&
6609 			    allocation->trace_index < mleak_trace_buckets) {
6611 				trace = &mleak_traces[allocation->trace_index];
6618 				allocation->element = NULL;