Support loading elf notes from memfd backed map (#2314)
Support loading elf notes from memfd backed map (#2314)

* Support loading elf notes from file backed on memfd

* Use const for arguments to _procutils_memfd_path

* Cleanups for procuptils_memfd_path

iovisor/bcc,iovisor/bcc,brendangregg/bcc,tuxology/bcc,brendangregg/bcc,tuxology/bcc,iovisor/bcc,iovisor/bcc,brendangregg/bcc,brendangregg/bcc,tuxology/bcc,tuxology/bcc,tuxology/bcc,iovisor/bcc,brendangregg/bcc