Messages in this thread | | | Date | Sat, 17 Aug 2013 13:30:39 +0100 | From | Alasdair G Kergon <> | Subject | Re: [dm-devel] [PATCH] dm: Make MIN_IOS, et al, tunable via sysctl. |
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On Fri, Aug 16, 2013 at 03:55:21PM -0700, Frank Mayhar wrote: > This patch fixes that by changing the hardcoded MIN_IOS (and certain > other) #defines in dm-crypt, dm-io, dm-mpath, dm-snap and dm itself to > sysctl-modifiable values. This lets us change the size of these pools > on the fly, we can reduce the size of the pools and reduce memory > pressure.
Did you consider using module_param_named()? (E.g. dm_verity_prefetch_cluster in dm-verity.)
Alasdair
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