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HPA: Make slab sizes and maxes configurable.

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This allows easy experimentation with them as tuning parameters.
This commit is contained in:
David Goldblatt 2020-09-04 15:22:47 -07:00 • committed by David Goldblatt
parent 1c7da33317
commit bf025d2ec8
7 changed files with 37 additions and 10 deletions
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6
src/ctl.c
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@ -91,6 +91,8 @@ CTL_PROTO(opt_abort)
CTL_PROTO(opt_abort_conf)
CTL_PROTO(opt_confirm_conf)
CTL_PROTO(opt_hpa)
CTL_PROTO(opt_hpa_slab_goal)
CTL_PROTO(opt_hpa_slab_max_alloc)
CTL_PROTO(opt_metadata_thp)
CTL_PROTO(opt_retain)
CTL_PROTO(opt_dss)
@ -345,6 +347,8 @@ static const ctl_named_node_t opt_node[] = {
{NAME("abort_conf"), CTL(opt_abort_conf)},
{NAME("confirm_conf"), CTL(opt_confirm_conf)},
{NAME("hpa"), CTL(opt_hpa)},
{NAME("hpa_slab_goal"), CTL(opt_hpa_slab_goal)},
{NAME("hpa_max_alloc"), CTL(opt_hpa_slab_max_alloc)},
{NAME("metadata_thp"), CTL(opt_metadata_thp)},
{NAME("retain"), CTL(opt_retain)},
{NAME("dss"), CTL(opt_dss)},
@ -1819,6 +1823,8 @@ CTL_RO_NL_GEN(opt_abort, opt_abort, bool)
CTL_RO_NL_GEN(opt_abort_conf, opt_abort_conf, bool)
CTL_RO_NL_GEN(opt_confirm_conf, opt_confirm_conf, bool)
CTL_RO_NL_GEN(opt_hpa, opt_hpa, bool)
CTL_RO_NL_GEN(opt_hpa_slab_goal, opt_hpa_slab_goal, size_t)
CTL_RO_NL_GEN(opt_hpa_slab_max_alloc, opt_hpa_slab_max_alloc, size_t)
CTL_RO_NL_GEN(opt_metadata_thp, metadata_thp_mode_names[opt_metadata_thp],
const char *)
CTL_RO_NL_GEN(opt_retain, opt_retain, bool)