ORA-27137 unable to allocate Large Pages to create a shared memory segment

oerr ora 27137
27137, 00000, "unable to allocate large pages to create a shared memory segment"
// *Cause: Parameter USE_LARGE_PAGES set to only, but large pages were not
// configured properly
// *Action: Check alert file for more information


SQL> STARTUP
ORA-27137: unable to allocate large pages to create a shared memory segment
Linux-x86_64 Error: 12: Cannot allocate memory


****************** Large Pages Information *****************
Parameter use_large_pages = ONLY

Large Pages unused system wide = 0 (0 KB) (alloc incr 4096 KB)
Large Pages configured system wide = 0 (0 KB)
Large Page size = 2048 KB

ERROR:
Failed to allocate shared global region with large pages, unix errno = 12.
Aborting Instance startup.
ORA-27137: unable to allocate Large Pages to create a shared memory segment

ACTION:
Total Shared Global Region size is 608 MB. Increase the number of
unused large pages to atleast 304 (608 MB) to allocate 100% Shared Global
Region with Large Pages.
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