On Wed, 2020-09-16 at 10:35 +0300, Mike Rapoport wrote: > From: Mike Rapoport <rppt@xxxxxxxxxxxxx> > > Hi, > > This is an implementation of "secret" mappings backed by a file descriptor. > I've dropped the boot time reservation patch for now as it is not strictly > required for the basic usage and can be easily added later either with or > without CMA. On powerpc: https://gitlab.com/cailca/linux-mm/-/blob/master/powerpc.config There is a compiling warning from the today's linux-next: <stdin>:1532:2: warning: #warning syscall memfd_secret not implemented [-Wcpp]