NAME

       gethugepagesize - Get the default huge page size

SYNOPSIS

       #include <hugetlbfs.h>

       long gethugepagesize(void)

DESCRIPTION

       The  gethugepagesize()  function  returns the default huge page size used by libhugetlbfs.
       This will be either the system default, or a valid value set by the  environment  variable
       HUGETLB_DEFAULT_PAGE_SIZE.

       If the system does not support any huge page sizes an error is returned.

RETURN VALUE

       On  success, the default huge page size is returned.  On failure, -1 is returned and errno
       is set appropriately.

ERRORS

       ENOSYS The system does not support huge pages.

SEE ALSO

       libhugetlbfs(7)

AUTHORS

       libhugetlbfs was written by various people on the libhugetlbfs-devel mailing list.

                                          March 7, 2012                        GETHUGEPAGESIZE(3)