Hi On Thu, Jul 11, 2013 at 11:43 PM, Jean-S?bastien P?dron <jean-sebastien.pedron at dumbbell.fr> wrote: > Hi, > > Thank you J?r?me and Daniel for your input, that's really helpful! > > I have another question: in ttm_bo_mmap(), a reference to the buffer object > is acquired at the beginning of the function. Another reference is acquired > in ttm_bo_vm_open() (released in ttm_bo_vm_close()). > > But where is the first reference released?
->vm_open() isn't called for the first mmap(), afaik (only called during fork()s or similar). So the reference in ttm_bo_mmap() is a replacement for the reference you take in the ->vm_open() callback. Cheers David > -- > Jean-S?bastien P?dron > > _______________________________________________ > dri-devel mailing list > dri-devel at lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel
