diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/catalog/catversion.h | 2 | ||||
| -rw-r--r-- | src/include/catalog/pg_proc.dat | 4 | ||||
| -rw-r--r-- | src/include/pg_config.h.in | 3 | ||||
| -rw-r--r-- | src/include/port/pg_numa.h | 40 | ||||
| -rw-r--r-- | src/include/storage/pg_shmem.h | 1 |
5 files changed, 49 insertions, 1 deletions
diff --git a/src/include/catalog/catversion.h b/src/include/catalog/catversion.h index 014aefc91a7..2a3d9dc8a7a 100644 --- a/src/include/catalog/catversion.h +++ b/src/include/catalog/catversion.h @@ -57,6 +57,6 @@ */ /* yyyymmddN */ -#define CATALOG_VERSION_NO 202504071 +#define CATALOG_VERSION_NO 202504072 #endif diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat index 5d5be8ba4e1..a9a9afb93c8 100644 --- a/src/include/catalog/pg_proc.dat +++ b/src/include/catalog/pg_proc.dat @@ -8542,6 +8542,10 @@ proargnames => '{name,off,size,allocated_size}', prosrc => 'pg_get_shmem_allocations' }, +{ oid => '4099', descr => 'Is NUMA support available?', + proname => 'pg_numa_available', provolatile => 's', prorettype => 'bool', + proargtypes => '', prosrc => 'pg_numa_available' }, + # memory context of local backend { oid => '2282', descr => 'information about all memory contexts of local backend', diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in index 9891b9b05c3..1af0b6316dd 100644 --- a/src/include/pg_config.h.in +++ b/src/include/pg_config.h.in @@ -689,6 +689,9 @@ /* Define to 1 to build with libcurl support. (--with-libcurl) */ #undef USE_LIBCURL +/* Define to 1 to build with NUMA support. (--with-libnuma) */ +#undef USE_LIBNUMA + /* Define to build with io_uring support. (--with-liburing) */ #undef USE_LIBURING diff --git a/src/include/port/pg_numa.h b/src/include/port/pg_numa.h new file mode 100644 index 00000000000..7e990d9f776 --- /dev/null +++ b/src/include/port/pg_numa.h @@ -0,0 +1,40 @@ +/*------------------------------------------------------------------------- + * + * pg_numa.h + * Basic NUMA portability routines + * + * + * Copyright (c) 2025, PostgreSQL Global Development Group + * + * IDENTIFICATION + * src/include/port/pg_numa.h + * + *------------------------------------------------------------------------- + */ +#ifndef PG_NUMA_H +#define PG_NUMA_H + +#include "fmgr.h" + +extern PGDLLIMPORT int pg_numa_init(void); +extern PGDLLIMPORT int pg_numa_query_pages(int pid, unsigned long count, void **pages, int *status); +extern PGDLLIMPORT int pg_numa_get_max_node(void); +extern PGDLLIMPORT Size pg_numa_get_pagesize(void); + +#ifdef USE_LIBNUMA + +/* + * This is required on Linux, before pg_numa_query_pages() as we + * need to page-fault before move_pages(2) syscall returns valid results. + */ +#define pg_numa_touch_mem_if_required(ro_volatile_var, ptr) \ + ro_volatile_var = *(volatile uint64 *) ptr + +#else + +#define pg_numa_touch_mem_if_required(ro_volatile_var, ptr) \ + do {} while(0) + +#endif + +#endif /* PG_NUMA_H */ diff --git a/src/include/storage/pg_shmem.h b/src/include/storage/pg_shmem.h index b99ebc9e86f..5f7d4b83a60 100644 --- a/src/include/storage/pg_shmem.h +++ b/src/include/storage/pg_shmem.h @@ -45,6 +45,7 @@ typedef struct PGShmemHeader /* standard header for all Postgres shmem */ extern PGDLLIMPORT int shared_memory_type; extern PGDLLIMPORT int huge_pages; extern PGDLLIMPORT int huge_page_size; +extern PGDLLIMPORT int huge_pages_status; /* Possible values for huge_pages and huge_pages_status */ typedef enum |