Messages in this thread | | | Subject | Re: [PATCH 1/1] scsi: storvsc: Reduce default ring buffer size to 128 Kbytes | From | "Martin K. Petersen" <> | Date | Wed, 03 Apr 2019 23:31:39 -0400 |
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Michael,
> Reduce the default VMbus channel ring buffer size for storvsc SCSI > devices from 1 Mbyte to 128 Kbytes. Measurements show that ring buffer > sizes above 128 Kbytes do not increase performance even at very high > IOPS rates, so don't waste the memory. Also remove the dependence on > PAGE_SIZE, since the ring buffer size should not change on > architectures where PAGE_SIZE is not 4 Kbytes.
Applied to 5.1/scsi-fixes, thanks.
-- Martin K. Petersen Oracle Linux Engineering
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