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ttm: Make parts of a struct ttm_bo_device global.

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Common resources, like memory accounting and swap lists should be
global and not per device. Introduce a struct ttm_bo_global to
accomodate this, and register it with sysfs. Add a small sysfs interface
to return the number of active buffer objects.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Thomas Hellstrom
2009-08-18 16:51:56 +02:00
committed by Dave Airlie
parent 5fd9cbad3a
commit a987fcaa80
7 changed files with 296 additions and 141 deletions
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4
drivers/gpu/drm/ttm/ttm_bo_util.c
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@@ -41,9 +41,9 @@ void ttm_bo_free_old_node(struct ttm_buffer_object *bo)
struct ttm_mem_reg *old_mem = &bo->mem;
if (old_mem->mm_node) {
spin_lock(&bo->bdev->lru_lock);
spin_lock(&bo->glob->lru_lock);
drm_mm_put_block(old_mem->mm_node);
spin_unlock(&bo->bdev->lru_lock);
spin_unlock(&bo->glob->lru_lock);
}
old_mem->mm_node = NULL;
}