suse man page for blk_queue_bounce_limit

Query: blk_queue_bounce_limit

OS: suse

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

BLK_QUEUE_BOUNCE_LIM(9) 					   Block Devices					   BLK_QUEUE_BOUNCE_LIM(9)

NAME
blk_queue_bounce_limit - set bounce buffer limit for queue
SYNOPSIS
void blk_queue_bounce_limit(struct request_queue * q, u64 dma_mask);
ARGUMENTS
q the request queue for the device dma_mask the maximum address the device can handle
DESCRIPTION
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 dma_mask.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 BLK_QUEUE_BOUNCE_LIM(9)
Related Man Pages
ll_rw_block(9) - suse
blk_make_request(9) - centos
struct_rio_dev(9) - centos
mbp_create(9) - debian
probe::ioblock_trace.bounce(3stap) - centos
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