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Wong wrote: > On Fri, Jun 30, 2023 at 11:08:53AM +0200, Thomas Weißschuh wrote: > > The memfd_create() syscall, enabled by CONFIG_MEMFD_CREATE, is useful on > > its own even when not required by CONFIG_TMPFS or CONFIG_HUGETLBFS. > > If you don't have tmpfs or hugetlbfs enabled, then what fs ends up > backing the file returned by memfd_create()? ramfs? > > (Not an objection, I'm just curious...) > It looks like shmem/tmpfs falls back to ramfs? -- Mike Kravetz