git: sbp(4): Support MAXPHYS up to 512KB
Francois Tigeot
ftigeot at crater.dragonflybsd.org
Sun Apr 28 09:22:41 PDT 2013
commit 8a32dff3bbb5f1044369b831e189ce0b151b7944
Author: François Tigeot <ftigeot at wolfpond.org>
Date: Sun Apr 28 15:53:56 2013 +0200
sbp(4): Support MAXPHYS up to 512KB
- We need at least two OCBs with indirect pointers allocated in a 4KB page.
- SBP_MAXPHYS can increase to 1MB once we separate management OCB/ORB
which usually does not need indirect pointers.
- We have to increase SBP_DMA_SIZE for MAXPHYS larger than 1MB.
Obtained-from: FreeBSD
Summary of changes:
sys/dev/disk/sbp/sbp.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/8a32dff3bbb5f1044369b831e189ce0b151b7944
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