Lines Matching refs:bounce

182 The generic bounce buffer logic, present in 2.4, where the block layer would
185 changed in 2.5. The bounce logic is now applied only for memory ranges
187 setting the queue bounce limit for the request queue for the device
205 cases, a bounce bio representing a buffer from the supported memory range
210 from the original buffer to the bounce buffer prior to issuing the
215 GFP flags) when allocating bounce buffers, to avoid certain highmem
218 It is also possible that a bounce buffer may be allocated from high-memory
220 device can use directly; so the bounce page may need to be kmapped during
225 be kmapped, even if bounce buffers are not necessary. For example a device
231 the blk_queue_bounce() routine on its own to bounce highmem i/o to low
644    in the bounce bio allocation that happens in the current code, since
740 segments and do not support i/o into high memory addresses (require bounce