C++ (Cpp) heap_zone_init Examples

Example #1

File: heap.c Project: tomaszkapela/nvml

/*
 * heap_populate_buckets -- (internal) creates volatile state of memory blocks
 */
static int
heap_populate_buckets(struct palloc_heap *heap)
{
	struct heap_rt *h = heap->rt;

	if (h->zones_exhausted == h->max_zone)
		return ENOMEM;

	uint32_t zone_id = h->zones_exhausted++;
	struct zone *z = ZID_TO_ZONE(heap->layout, zone_id);

	/* ignore zone and chunk headers */
	VALGRIND_ADD_TO_GLOBAL_TX_IGNORE(z, sizeof(z->header) +
		sizeof(z->chunk_headers));

	if (z->header.magic != ZONE_HEADER_MAGIC)
		heap_zone_init(heap, zone_id);

	return heap_reclaim_zone_garbage(heap, zone_id, 1 /* init */);
}

Example #2

File: heap.c Project: sudkannan/nvml

/*
 * heap_populate_buckets -- (internal) creates volatile state of memory blocks
 */
static void
heap_populate_buckets(PMEMobjpool *pop)
{
	struct pmalloc_heap *h = pop->heap;

	if (h->zones_exhausted == h->max_zone)
		return;

	uint32_t zone_id = h->zones_exhausted++;
	struct zone *z = &h->layout->zones[zone_id];

	/* ignore zone and chunk headers */
	VALGRIND_ADD_TO_GLOBAL_TX_IGNORE(z, sizeof (z->header) +
		sizeof (z->chunk_headers));

	if (z->header.magic != ZONE_HEADER_MAGIC)
		heap_zone_init(pop, zone_id);

	struct bucket *def_bucket = h->buckets[DEFAULT_BUCKET];

	for (uint32_t i = 0; i < z->header.size_idx; ) {
		struct chunk_header *hdr = &z->chunk_headers[i];
		heap_chunk_write_footer(hdr, hdr->size_idx);

		if (hdr->type == CHUNK_TYPE_RUN) {
			struct chunk_run *run =
				(struct chunk_run *)&z->chunks[i];
			heap_populate_run_bucket(pop,
				h->bucket_map[run->block_size], i, zone_id);
		} else if (hdr->type == CHUNK_TYPE_FREE) {
			struct memory_block m = {i, zone_id, hdr->size_idx, 0};
			bucket_insert_block(def_bucket, m);
		}

		i += hdr->size_idx;
	}
}