blk_queue_bounce_limit9
Set bounce buffer limit for queue
Usage
void blk_queue_bounce_limit(struct request_queue * q, u64 max_addr);
Arguments
q
the request queue for the device
max_addr
the maximum address the device can handle
Overview
Different hardware can have different requirements as to what pages it can do I/O directly to. A low level driver can call blk_queue_bounce_limit to have lower memory pages allocated as bounce buffers for doing I/O to pages residing above max_addr.
Releases
6 releases since Debian 4.0 (Etch); the text changed 5 times.