Hi Roberto, On Fri, 2021-07-30 at 13:16 +0000, Roberto Sassu wrote: > > From: Mimi Zohar [mailto:zohar@xxxxxxxxxxxxx] > > Sent: Friday, July 30, 2021 2:40 PM > > "critical data", in this context, should probably be used for verifying > > the in memory file digests and other state information haven't been > > compromised. > > Actually, this is what we are doing currently. To keep the > implementation simple, once the file or the buffer are uploaded > to the kernel, they will not be modified, just accessed through > the indexes. My main concern about digest lists is their integrity, from loading the digest lists to their being stored in memory. A while back, there was some work on defining a write once memory allocator. I don't recall whatever happened to it. This would be a perfect usecase for that memory allocator. thanks, Mimi