diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drm_ttm.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/linux-core/drm_ttm.c b/linux-core/drm_ttm.c index 7344acce..13bec48b 100644 --- a/linux-core/drm_ttm.c +++ b/linux-core/drm_ttm.c @@ -489,14 +489,20 @@ int drm_ttm_object_create(drm_device_t * dev, unsigned long size, map->size = ttm->num_pages * PAGE_SIZE; map->handle = (void *)object; + /* + * Add a one-page "hole" to the block size to avoid the mm subsystem + * merging vmas. + * FIXME: Is this really needed? + */ + list->file_offset_node = drm_mm_search_free(&dev->offset_manager, - ttm->num_pages, 0, 0); + ttm->num_pages + 1, 0, 0); if (!list->file_offset_node) { drm_ttm_object_remove(dev, object); return -ENOMEM; } list->file_offset_node = drm_mm_get_block(list->file_offset_node, - ttm->num_pages, 0); + ttm->num_pages + 1, 0); list->hash.key = list->file_offset_node->start; |