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-rw-r--r--drivers/message/fusion/Kconfig15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/message/fusion/Kconfig b/drivers/message/fusion/Kconfig
index a0e1c96b586b..33f209a39cb6 100644
--- a/drivers/message/fusion/Kconfig
+++ b/drivers/message/fusion/Kconfig
@@ -36,17 +36,16 @@ config FUSION_FC
LSIFC929XL
config FUSION_MAX_SGE
- int "Maximum number of scatter gather entries"
- depends on FUSION_SPI || FUSION_FC
+ int "Maximum number of scatter gather entries (16 - 128)"
+ depends on FUSION
default "128"
+ range 16 128
help
This option allows you to specify the maximum number of scatter-
- gather entries per I/O. The driver defaults to 40, a reasonable number
- for most systems. However, the user may increase this up to 128.
- Increasing this parameter will require significantly more memory
- on a per controller instance. Increasing the parameter is not
- necessary (or recommended) unless the user will be running
- large I/O's via the raw interface.
+ gather entries per I/O. The driver default is 128, which matches
+ SCSI_MAX_PHYS_SEGMENTS. However, it may decreased down to 16.
+ Decreasing this parameter will reduce memory requirements
+ on a per controller instance.
config FUSION_CTL
tristate "Fusion MPT misc device (ioctl) driver"