Rechercher une page de manuel
blk_queue_bounce_limit
Langue: en
Version: October 2010 (fedora - 01/12/10)
Section: 9 (Appels noyau Linux)
NAME
blk_queue_bounce_limit - set bounce buffer limit for queueSYNOPSIS
- 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
Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre