gethugepagesize3
Get the default huge page size
Usage
#include <hugetlbfs.h>
long gethugepagesize(void)
Overview
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.
Releases
Unchanged in 4 releases since Debian 10 (Buster).