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GETHUGEPAGESIZE(3)					    GETHUGEPAGESIZE(3)

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)

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