On 7/8/22 09:54, Nadav Amit wrote: > Since the bug was not during MADV_DONTNEED there is no reason for the > results to be any different. > > Famous last words? Considering that your patch broke the kernel a way that surprised us all, I think caution is warranted. Re-running a microbenchmark that takes five minutes and stresses things a bit is the least you can do, I think.