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Diffstat (limited to 'drivers/md/Kconfig')
| -rw-r--r-- | drivers/md/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index edcf4ab66e00..b59727309072 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -304,6 +304,18 @@ config DM_CACHE_MQ This is meant to be a general purpose policy. It prioritises reads over writes. +config DM_CACHE_SMQ + tristate "Stochastic MQ Cache Policy (EXPERIMENTAL)" + depends on DM_CACHE + default y + ---help--- + A cache policy that uses a multiqueue ordered by recent hits + to select which blocks should be promoted and demoted. + This is meant to be a general purpose policy. It prioritises + reads over writes. This SMQ policy (vs MQ) offers the promise + of less memory utilization, improved performance and increased + adaptability in the face of changing workloads. + config DM_CACHE_CLEANER tristate "Cleaner Cache Policy (EXPERIMENTAL)" depends on DM_CACHE |