32 	struct nouveau_heap *r;  in nouveau_heap_init()  local
34 	r = calloc(1, sizeof(struct nouveau_heap));  in nouveau_heap_init()
35 	if (!r)  in nouveau_heap_init()
38 	r->start = start;  in nouveau_heap_init()
39 	r->size  = size;  in nouveau_heap_init()
40 	*heap = r;  in nouveau_heap_init()
57 	struct nouveau_heap *r;  in nouveau_heap_alloc()  local
64 			r = calloc(1, sizeof(struct nouveau_heap));  in nouveau_heap_alloc()
65 			if (!r)  in nouveau_heap_alloc()
68 			r->start  = (heap->start + heap->size) - size;  in nouveau_heap_alloc()
69 			r->size   = size;  in nouveau_heap_alloc()
70 			r->in_use = 1;  in nouveau_heap_alloc()
71 			r->priv   = priv;  in nouveau_heap_alloc()
75 			r->next = heap->next;  in nouveau_heap_alloc()
77 				heap->next->prev = r;  in nouveau_heap_alloc()
78 			r->prev = heap;  in nouveau_heap_alloc()
79 			heap->next = r;  in nouveau_heap_alloc()
81 			*res = r;  in nouveau_heap_alloc()
94 	struct nouveau_heap *r;  in nouveau_heap_free()  local
98 	r = *res;  in nouveau_heap_free()
101 	r->in_use = 0;  in nouveau_heap_free()
103 	if (r->next && !r->next->in_use) {  in nouveau_heap_free()
104 		struct nouveau_heap *new = r->next;  in nouveau_heap_free()
106 		new->prev = r->prev;  in nouveau_heap_free()
107 		if (r->prev)  in nouveau_heap_free()
108 			r->prev->next = new;  in nouveau_heap_free()
109 		new->size += r->size;  in nouveau_heap_free()
110 		new->start = r->start;  in nouveau_heap_free()
112 		free(r);  in nouveau_heap_free()
113 		r = new;  in nouveau_heap_free()
116 	if (r->prev && !r->prev->in_use) {  in nouveau_heap_free()
117 		r->prev->next = r->next;  in nouveau_heap_free()
118 		if (r->next)  in nouveau_heap_free()
119 			r->next->prev = r->prev;  in nouveau_heap_free()
120 		r->prev->size += r->size;  in nouveau_heap_free()
121 		free(r);  in nouveau_heap_free()