47 MALLOC_DEFINE(M_TTM_ZONE, "ttm_zone", "TTM Zone");
49 static void ttm_mem_zone_kobj_release(struct ttm_mem_zone *zone)  in ttm_mem_zone_kobj_release()  argument
52 	printf("[TTM] Zone %7s: Used memory at exit: %llu kiB\n",  in ttm_mem_zone_kobj_release()
53 		zone->name, (unsigned long long)zone->used_mem >> 10);  in ttm_mem_zone_kobj_release()
54 	free(zone, M_TTM_ZONE);  in ttm_mem_zone_kobj_release()
59 static ssize_t ttm_mem_zone_show(struct ttm_mem_zone *zone;
65 	mtx_lock(&zone->glob->lock);
67 		val = zone->zone_mem;
69 		val = zone->emer_mem;
71 		val = zone->max_mem;
73 		val = zone->swap_limit;
75 		val = zone->used_mem;
76 	mtx_unlock(&zone->glob->lock);
87 static ssize_t ttm_mem_zone_store(struct ttm_mem_zone *zone,
103 	mtx_lock(&zone->glob->lock);
104 	if (val64 > zone->zone_mem)
105 		val64 = zone->zone_mem;
107 		zone->emer_mem = val64;
108 		if (zone->max_mem > val64)
109 			zone->max_mem = val64;
111 		zone->max_mem = val64;
112 		if (zone->emer_mem < val64)
113 			zone->emer_mem = val64;
115 		zone->swap_limit = val64;
116 	mtx_unlock(&zone->glob->lock);
118 	ttm_check_swapping(zone->glob);
132 	struct ttm_mem_zone *zone;  in ttm_zones_above_swap_target()  local
136 		zone = glob->zones[i];  in ttm_zones_above_swap_target()
139 			target = zone->swap_limit;  in ttm_zones_above_swap_target()
141 			target = zone->emer_mem;  in ttm_zones_above_swap_target()
143 			target = zone->max_mem;  in ttm_zones_above_swap_target()
147 		if (zone->used_mem > target)  in ttm_zones_above_swap_target()
194 	struct ttm_mem_zone *zone;  in ttm_mem_init_kernel_zone()  local
196 	zone = malloc(sizeof(*zone), M_TTM_ZONE, M_WAITOK | M_ZERO);  in ttm_mem_init_kernel_zone()
198 	zone->name = "kernel";  in ttm_mem_init_kernel_zone()
199 	zone->zone_mem = mem;  in ttm_mem_init_kernel_zone()
200 	zone->max_mem = mem >> 1;  in ttm_mem_init_kernel_zone()
201 	zone->emer_mem = (mem >> 1) + (mem >> 2);  in ttm_mem_init_kernel_zone()
202 	zone->swap_limit = zone->max_mem - (mem >> 3);  in ttm_mem_init_kernel_zone()
203 	zone->used_mem = 0;  in ttm_mem_init_kernel_zone()
204 	zone->glob = glob;  in ttm_mem_init_kernel_zone()
205 	glob->zone_kernel = zone;  in ttm_mem_init_kernel_zone()
206 	refcount_init(&zone->kobj_ref, 1);  in ttm_mem_init_kernel_zone()
207 	glob->zones[glob->num_zones++] = zone;  in ttm_mem_init_kernel_zone()
214 	struct ttm_mem_zone *zone;  in ttm_mem_init_dma32_zone()  local
216 	zone = malloc(sizeof(*zone), M_TTM_ZONE, M_WAITOK | M_ZERO);  in ttm_mem_init_dma32_zone()
219 	 * No special dma32 zone needed.  in ttm_mem_init_dma32_zone()
223 		free(zone, M_TTM_ZONE);  in ttm_mem_init_dma32_zone()
230 	 * zone really is.  in ttm_mem_init_dma32_zone()
234 	zone->name = "dma32";  in ttm_mem_init_dma32_zone()
235 	zone->zone_mem = mem;  in ttm_mem_init_dma32_zone()
236 	zone->max_mem = mem >> 1;  in ttm_mem_init_dma32_zone()
237 	zone->emer_mem = (mem >> 1) + (mem >> 2);  in ttm_mem_init_dma32_zone()
238 	zone->swap_limit = zone->max_mem - (mem >> 3);  in ttm_mem_init_dma32_zone()
239 	zone->used_mem = 0;  in ttm_mem_init_dma32_zone()
240 	zone->glob = glob;  in ttm_mem_init_dma32_zone()
241 	glob->zone_dma32 = zone;  in ttm_mem_init_dma32_zone()
242 	refcount_init(&zone->kobj_ref, 1);  in ttm_mem_init_dma32_zone()
243 	glob->zones[glob->num_zones++] = zone;  in ttm_mem_init_dma32_zone()
252 	struct ttm_mem_zone *zone;  in ttm_mem_global_init()  local
271 		zone = glob->zones[i];  in ttm_mem_global_init()
272 		printf("[TTM] Zone %7s: Available graphics memory: %llu kiB\n",  in ttm_mem_global_init()
273 			zone->name, (unsigned long long)zone->max_mem >> 10);  in ttm_mem_global_init()
286 	struct ttm_mem_zone *zone;  in ttm_mem_global_release()  local
296 		zone = glob->zones[i];  in ttm_mem_global_release()
297 		if (refcount_release(&zone->kobj_ref))  in ttm_mem_global_release()
298 			ttm_mem_zone_kobj_release(zone);  in ttm_mem_global_release()
308 	struct ttm_mem_zone *zone;  in ttm_check_swapping()  local
312 		zone = glob->zones[i];  in ttm_check_swapping()
313 		if (zone->used_mem > zone->swap_limit) {  in ttm_check_swapping()
331 	struct ttm_mem_zone *zone;  in ttm_mem_global_free_zone()  local
335 		zone = glob->zones[i];  in ttm_mem_global_free_zone()
336 		if (single_zone && zone != single_zone)  in ttm_mem_global_free_zone()
338 		zone->used_mem -= amount;  in ttm_mem_global_free_zone()
356 	struct ttm_mem_zone *zone;  in ttm_mem_global_reserve()  local
360 		zone = glob->zones[i];  in ttm_mem_global_reserve()
361 		if (single_zone && zone != single_zone)  in ttm_mem_global_reserve()
365 			zone->emer_mem : zone->max_mem;  in ttm_mem_global_reserve()
367 		if (zone->used_mem > limit)  in ttm_mem_global_reserve()
373 			zone = glob->zones[i];  in ttm_mem_global_reserve()
374 			if (single_zone && zone != single_zone)  in ttm_mem_global_reserve()
376 			zone->used_mem += amount;  in ttm_mem_global_reserve()
429 	struct ttm_mem_zone *zone = NULL;  in ttm_mem_global_alloc_page()  local
432 	 * Page allocations may be registed in a single zone  in ttm_mem_global_alloc_page()
437 		zone = glob->zone_kernel;  in ttm_mem_global_alloc_page()
438 	return ttm_mem_global_alloc_zone(glob, zone, PAGE_SIZE, no_wait,  in ttm_mem_global_alloc_page()
444 	struct ttm_mem_zone *zone = NULL;  in ttm_mem_global_free_page()  local
447 		zone = glob->zone_kernel;  in ttm_mem_global_free_page()
448 	ttm_mem_global_free_zone(glob, zone, PAGE_SIZE);  in ttm_mem_global_free_page()