On Tue, Jul 23, 2019 at 05:38:30PM -0600, Jane Chu wrote: > @@ -331,16 +330,21 @@ static void add_to_kill(struct task_struct *tsk, struct page *p, > tk->size_shift = compound_order(compound_head(p)) + PAGE_SHIFT; > > /* > - * In theory we don't have to kill when the page was > - * munmaped. But it could be also a mremap. Since that's > - * likely very rare kill anyways just out of paranoia, but use > - * a SIGKILL because the error is not contained anymore. > + * Indeed a page could be mmapped N times within a process. And it's possible You should run this patch through checkpatch.pl so I don't have to tell you whats wrong with the trivial aspects of it ;-)
