On Thu, Oct 10, 2024 at 01:56:42PM GMT, Andrii Nakryiko wrote: > To increase mm->mm_lock_seq robustness, switch it from int to long, so > that it's a 64-bit counter on 64-bit systems and we can stop worrying > about it wrapping around in just ~4 billion iterations. Same goes for > VMA's matching vm_lock_seq, which is derived from mm_lock_seq. > > I didn't use __u64 outright to keep 32-bit architectures unaffected, but > if it seems important enough, I have nothing against using __u64. > > Suggested-by: Jann Horn <jannh@xxxxxxxxxx> > Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx> Reviewed-by: Shakeel Butt <shakeel.butt@xxxxxxxxx>
