diff options
Diffstat (limited to 'src/backend/utils/misc/guc.c')
| -rw-r--r-- | src/backend/utils/misc/guc.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 2cc8f90e6d4..a9b9794965b 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -64,6 +64,7 @@ #include "storage/dsm_impl.h" #include "storage/standby.h" #include "storage/fd.h" +#include "storage/pg_shmem.h" #include "storage/proc.h" #include "storage/predicate.h" #include "tcop/tcopprot.h" @@ -388,6 +389,23 @@ static const struct config_enum_entry synchronous_commit_options[] = { }; /* + * Although only "on", "off", "try" are documented, we accept all the likely + * variants of "on" and "off". + */ +static const struct config_enum_entry huge_tlb_options[] = { + {"off", HUGE_TLB_OFF, false}, + {"on", HUGE_TLB_ON, false}, + {"try", HUGE_TLB_TRY, false}, + {"true", HUGE_TLB_ON, true}, + {"false", HUGE_TLB_OFF, true}, + {"yes", HUGE_TLB_ON, true}, + {"no", HUGE_TLB_OFF, true}, + {"1", HUGE_TLB_ON, true}, + {"0", HUGE_TLB_OFF, true}, + {NULL, 0, false} +}; + +/* * Options for enum values stored in other modules */ extern const struct config_enum_entry wal_level_options[]; @@ -448,6 +466,12 @@ int tcp_keepalives_interval; int tcp_keepalives_count; /* + * This really belongs in pg_shmem.c, but is defined here so that it doesn't + * need to be duplicated in all the different implementations of pg_shmem.c. + */ +int huge_tlb_pages; + +/* * These variables are all dummies that don't do anything, except in some * cases provide the value for SHOW to display. The real state is elsewhere * and is kept in sync by assign_hooks. @@ -3430,6 +3454,15 @@ static struct config_enum ConfigureNamesEnum[] = NULL, NULL, NULL }, + { + {"huge_tlb_pages", PGC_POSTMASTER, RESOURCES_MEM, + gettext_noop("Use of huge TLB pages on Linux"), + NULL + }, + &huge_tlb_pages, + HUGE_TLB_TRY, huge_tlb_options, + NULL, NULL, NULL + }, /* End-of-list marker */ { |