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.