https://lwn.net/Articles/865490/
memfd_secret() in 5.14 [LWN.net]
secretlwn
https://www.mail-archive.com/linux-doc@vger.kernel.org/msg47124.html
[PATCH v8 11/13] KVM: selftests: cover GUEST_MEMFD_FLAG_NO_DIRECT_MAP in existing selftests
https://groups.google.com/a/lists.linuxcontainers.org/g/lxc-devel/c/smMEsWLZz2E
[lxc/lxc] 08916a: add MFD_EXEC and MFD_NOEXEC_SEAL flag to memfd_create
https://android.googlesource.com/kernel/common/+/514bdc80b9d2cda5201730045cad6e65c4153f67/mm/memfd.c
mm/memfd.c - kernel/common - Git at Google
mmckernelgitgoogle