Re: [Qemu-devel] [PATCH v2 2/9] posix: add linux-only memfd fallback

fwiw, I changed the summary to "util: add linux-only memfd fallback"

[Qemu-devel] [PATCH v2 2/9] posix: add linux-only memfd fallback

Implement memfd_create() fallback if not available in system libc. memfd_create() is still not included in glibc today, atlhough it's been available since Linux 3.17 in Oct 2014. memfd has numerous advantages over traditional shm/mmap for ipc memory sharing with fd handler, which we are going to m