diff options
| author |   Thomas Hellstrom <thellstrom@vmware.com> | 2009-08-18 16:51:56 +0200 |
|---|---|---|
| committer |   Dave Airlie <airlied@linux.ie> | 2009-08-19 16:10:34 +1000 |
| commit | a987fcaa805fcb24ba885c2e29fd4fdb6816f08f (patch) | |
| tree | 561b6dd8e002e2eb1a75132b1edbd303782dc2fb /drivers/gpu/drm/ttm/ttm_tt.c | |
| parent | drm/ttm: Memory accounting rework. (diff) | |
| download | linux-dev-a987fcaa805fcb24ba885c2e29fd4fdb6816f08f.tar.xz linux-dev-a987fcaa805fcb24ba885c2e29fd4fdb6816f08f.zip | |
ttm: Make parts of a struct ttm_bo_device global.
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>
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_tt.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_tt.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 4e1e2566d519..b0f73096d372 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -166,7 +166,7 @@ static void ttm_tt_free_user_pages(struct ttm_tt *ttm) set_page_dirty_lock(page); ttm->pages[i] = NULL; - ttm_mem_global_free(ttm->bdev->mem_glob, PAGE_SIZE); + ttm_mem_global_free(ttm->glob->mem_glob, PAGE_SIZE); put_page(page); } ttm->state = tt_unpopulated; @@ -177,8 +177,7 @@ static void ttm_tt_free_user_pages(struct ttm_tt *ttm) static struct page *__ttm_tt_get_page(struct ttm_tt *ttm, int index) { struct page *p; - struct ttm_bo_device *bdev = ttm->bdev; - struct ttm_mem_global *mem_glob = bdev->mem_glob; + struct ttm_mem_global *mem_glob = ttm->glob->mem_glob; int ret; while (NULL == (p = ttm->pages[index])) { @@ -348,7 +347,7 @@ static void ttm_tt_free_alloced_pages(struct ttm_tt *ttm) printk(KERN_ERR TTM_PFX "Erroneous page count. " "Leaking pages.\n"); - ttm_mem_global_free_page(ttm->bdev->mem_glob, + ttm_mem_global_free_page(ttm->glob->mem_glob, cur_page); __free_page(cur_page); } @@ -394,7 +393,7 @@ int ttm_tt_set_user(struct ttm_tt *ttm, struct mm_struct *mm = tsk->mm; int ret; int write = (ttm->page_flags & TTM_PAGE_FLAG_WRITE) != 0; - struct ttm_mem_global *mem_glob = ttm->bdev->mem_glob; + struct ttm_mem_global *mem_glob = ttm->glob->mem_glob; BUG_ON(num_pages != ttm->num_pages); BUG_ON((ttm->page_flags & TTM_PAGE_FLAG_USER) == 0); @@ -439,8 +438,7 @@ struct ttm_tt *ttm_tt_create(struct ttm_bo_device *bdev, unsigned long size, if (!ttm) return NULL; - ttm->bdev = bdev; - + ttm->glob = bdev->glob; ttm->num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; ttm->first_himem_page = ttm->num_pages; ttm->last_lomem_page = -1; |