12c in alert log

  PAGESIZE  AVAILABLE_PAGES  EXPECTED_PAGES  ALLOCATED_PAGES  ERROR(s)
Tue May 24 11:47:24 2014
        4K       Configured               4               4        NONE
Tue May 24 11:47:24 2014
     2048K            66805            1537            1537        NONE

Example from above log extract:
-- 12c calculation in alert log for huge pages
select 1537*(2048/1024/1024) from dual
-- = 1537 expected pages * Huge page Size (2048K) /1024/1024 to get GB = 3GB = sga_size init parameter