When a BO gets pinned the placement may get changed. If the memory is
mapped into user space and user space has already accessed the mapped
range the page tables are set up but now point to the wrong memory.
A call to ttm_bo_unmap_virtual() will invalidate all page tables of
all mappings of this
When a BO gets pinned the placement may get changed. If the memory is
mapped into user space and user space has already accessed the mapped
range the page tables are set up but now point to the wrong memory.
A call to ttm_bo_unmap_virtual() will invalidate all page tables of
all mappings of this