Hi. On Mon, Mar 28, 2022 at 03:59:44AM +0000, "T.J. Mercier" <tjmercier@xxxxxxxxxx> wrote: > From: Hridya Valsaraju <hridya@xxxxxxxxxx> > > The dma_buf_charge_transfer function provides a way for processes to (s/dma_bug_charge_transfer/dma_bug_transfer_charge/) > transfer charge of a buffer to a different process. This is essential > for the cases where a central allocator process does allocations for > various subsystems, hands over the fd to the client who requested the > memory and drops all references to the allocated memory. I understood from [1] some buffers are backed by regular RAM. How are these charges going to be transferred (if so)? Thanks, Michal [1] https://lore.kernel.org/r/CABdmKX2NSAKMC6rReMYfo2SSVNxEXcS466hk3qF6YFt-j-+_NQ@xxxxxxxxxxxxxx
