Hi Quanfa, > @@ -1653,7 +1653,7 @@ int memory_failure(unsigned long pfn, int flags) > > /* > * We need/can do nothing about count=0 pages. > - * 1) it's a free page, and therefore in safe hand: > + * 1) it's a freed page, and therefore in safe hand: > * prep_new_page() will be the gate keeper. > * 2) it's part of a non-compound high order page. > * Implies some kernel user: cannot stop them from I think that the word "free page" is common enough and you can find it in many other files, so it makes little sense to fix it as a typo? Thanks, Naoya Horiguchi