On Fri, Jul 10, 2020 at 09:56:31AM +0200, Rasmus Villemoes wrote: > The ability to check open file descriptions for equality (without > resorting to unreliable fstat() and fcntl(F_GETFL) comparisons) can be > useful outside of the checkpoint/restore use case - for example, > systemd uses kcmp() to deduplicate the per-service file descriptor > store. > > Make it possible to have the kcmp() syscall without the full > CONFIG_CHECKPOINT_RESTORE. If systemd is using it, is it even worth making it conditional any more? Maybe for CONFIG_EXPERT builds, it could be de-selectable.
