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path: root/drivers/gpu/drm/ttm/ttm_memory.c
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Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_memory.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_memory.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
index f5245c02b8fd..e70ddd82dc02 100644
--- a/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/drivers/gpu/drm/ttm/ttm_memory.c
@@ -27,11 +27,13 @@
#include "ttm/ttm_memory.h"
#include "ttm/ttm_module.h"
+#include "ttm/ttm_page_alloc.h"
#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/wait.h>
#include <linux/mm.h>
#include <linux/module.h>
+#include <linux/slab.h>
#define TTM_MEMORY_ALLOC_RETRIES 4
@@ -152,7 +154,7 @@ static struct attribute *ttm_mem_zone_attrs[] = {
NULL
};
-static struct sysfs_ops ttm_mem_zone_ops = {
+static const struct sysfs_ops ttm_mem_zone_ops = {
.show = &ttm_mem_zone_show,
.store = &ttm_mem_zone_store
};
@@ -260,8 +262,8 @@ static int ttm_mem_init_kernel_zone(struct ttm_mem_global *glob,
zone->used_mem = 0;
zone->glob = glob;
glob->zone_kernel = zone;
- kobject_init(&zone->kobj, &ttm_mem_zone_kobj_type);
- ret = kobject_add(&zone->kobj, &glob->kobj, zone->name);
+ ret = kobject_init_and_add(
+ &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name);
if (unlikely(ret != 0)) {
kobject_put(&zone->kobj);
return ret;
@@ -296,8 +298,8 @@ static int ttm_mem_init_highmem_zone(struct ttm_mem_global *glob,
zone->used_mem = 0;
zone->glob = glob;
glob->zone_highmem = zone;
- kobject_init(&zone->kobj, &ttm_mem_zone_kobj_type);
- ret = kobject_add(&zone->kobj, &glob->kobj, zone->name);
+ ret = kobject_init_and_add(
+ &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name);
if (unlikely(ret != 0)) {
kobject_put(&zone->kobj);
return ret;
@@ -343,8 +345,8 @@ static int ttm_mem_init_dma32_zone(struct ttm_mem_global *glob,
zone->used_mem = 0;
zone->glob = glob;
glob->zone_dma32 = zone;
- kobject_init(&zone->kobj, &ttm_mem_zone_kobj_type);
- ret = kobject_add(&zone->kobj, &glob->kobj, zone->name);
+ ret = kobject_init_and_add(
+ &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name);
if (unlikely(ret != 0)) {
kobject_put(&zone->kobj);
return ret;
@@ -365,10 +367,8 @@ int ttm_mem_global_init(struct ttm_mem_global *glob)
glob->swap_queue = create_singlethread_workqueue("ttm_swap");
INIT_WORK(&glob->work, ttm_shrink_work);
init_waitqueue_head(&glob->queue);
- kobject_init(&glob->kobj, &ttm_mem_glob_kobj_type);
- ret = kobject_add(&glob->kobj,
- ttm_get_kobj(),
- "memory_accounting");
+ ret = kobject_init_and_add(
+ &glob->kobj, &ttm_mem_glob_kobj_type, ttm_get_kobj(), "memory_accounting");
if (unlikely(ret != 0)) {
kobject_put(&glob->kobj);
return ret;
@@ -394,6 +394,7 @@ int ttm_mem_global_init(struct ttm_mem_global *glob)
"Zone %7s: Available graphics memory: %llu kiB.\n",
zone->name, (unsigned long long) zone->max_mem >> 10);
}
+ ttm_page_alloc_init(glob, glob->zone_kernel->max_mem/(2*PAGE_SIZE));
return 0;
out_no_zone:
ttm_mem_global_release(glob);
@@ -406,6 +407,9 @@ void ttm_mem_global_release(struct ttm_mem_global *glob)
unsigned int i;
struct ttm_mem_zone *zone;
+ /* let the page allocator first stop the shrink work. */
+ ttm_page_alloc_fini();
+
flush_workqueue(glob->swap_queue);
destroy_workqueue(glob->swap_queue);
glob->swap_queue = NULL;
@@ -413,7 +417,7 @@ void ttm_mem_global_release(struct ttm_mem_global *glob)
zone = glob->zones[i];
kobject_del(&zone->kobj);
kobject_put(&zone->kobj);
- }
+ }
kobject_del(&glob->kobj);
kobject_put(&glob->kobj);
}