On Thu, Apr 29, 2021 at 12:05:08PM +0200, Arkadiusz Kozdra (Arusekk) wrote: > Since seq_read_iter looks mature enough to be used for /proc/<pid>/maps, > re-allow applications to perform zero-copy data forwarding from it. > > Some executable-inspecting tools rely on patching entry point > instructions with minimal machine code that uses sendfile to read > /proc/self/maps to stdout. The sendfile call allows them to do it > faster and without excessive allocations. What programs do that today? You might want to list them here. > > This is inspired by the series by Cristoph Hellwig (linked). > > Changes since v1: > > only change proc_pid_maps_operations This should go below the --- line, like the documentation states. thanks, greg k-h