diff options
Diffstat (limited to 'innobase/include/os0proc.h')
| -rw-r--r-- | innobase/include/os0proc.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/innobase/include/os0proc.h b/innobase/include/os0proc.h index d0d3cf82e38..b0b72e18675 100644 --- a/innobase/include/os0proc.h +++ b/innobase/include/os0proc.h @@ -12,6 +12,11 @@ Created 9/30/1995 Heikki Tuuri #include "univ.i" +#ifdef UNIV_LINUX +#include <sys/ipc.h> +#include <sys/shm.h> +#endif + typedef void* os_process_t; typedef unsigned long int os_process_id_t; @@ -27,6 +32,10 @@ page size of an Intel x86 processor. We cannot use AWE with 2 MB or 4 MB pages. */ #define OS_AWE_X86_PAGE_SIZE 4096 +extern ibool os_use_large_pages; +/* Large page size. This may be a boot-time option on some platforms */ +extern ulint os_large_page_size; + /******************************************************************** Windows AWE support. Tries to enable the "lock pages in memory" privilege for the current process so that the current process can allocate memory-locked @@ -103,6 +112,25 @@ os_mem_alloc_nocache( /* out: allocated memory */ ulint n); /* in: number of bytes */ /******************************************************************** +Allocates large pages memory. */ + +void* +os_mem_alloc_large( +/*=================*/ + /* out: allocated memory */ + ulint n, /* in: number of bytes */ + ibool set_to_zero, /* in: TRUE if allocated memory should be set + to zero if UNIV_SET_MEM_TO_ZERO is defined */ + ibool assert_on_error); /* in: if TRUE, we crash mysqld if the memory + cannot be allocated */ +/******************************************************************** +Frees large pages memory. */ + +void +os_mem_free_large( +/*=================*/ +void *ptr); /* in: number of bytes */ +/******************************************************************** Sets the priority boost for threads released from waiting within the current process. */ |