Lines Matching refs:bounce

171 The generic bounce buffer logic, present in 2.4, where the block layer would
174 changed in 2.5. The bounce logic is now applied only for memory ranges
176 setting the queue bounce limit for the request queue for the device
194 cases, a bounce bio representing a buffer from the supported memory range
199 from the original buffer to the bounce buffer prior to issuing the
204 GFP flags) when allocating bounce buffers, to avoid certain highmem
207 It is also possible that a bounce buffer may be allocated from high-memory
209 device can use directly; so the bounce page may need to be kmapped during
214 be kmapped, even if bounce buffers are not necessary. For example a device
221 routine on its own to bounce highmem i/o to low memory for specific requests
613  in the bounce bio allocation that happens in the current code, since
701 segments and do not support i/o into high memory addresses (require bounce