On 2024/5/2 7:24, Jane Chu wrote: > For years when it comes down to kill a process due to hwpoison, > a SIGBUS is delivered only if unmap has been successful. > Otherwise, a SIGKILL is delivered. And the reason for that is > to prevent the involved process from accessing the hwpoisoned > page again. > > Since then a lot has changed, a hwpoisoned page is marked and > upon being re-accessed, the process will be killed immediately. > So let's take out the '!unmap_success' factor and try to deliver > SIGBUS if possible. > > Signed-off-by: Jane Chu <jane.chu@xxxxxxxxxx> > --- > mm/memory-failure.c | 13 ++++--------- > 1 file changed, 4 insertions(+), 9 deletions(-) > > diff --git a/mm/memory-failure.c b/mm/memory-failure.c > index 9e62a00b46dd..7fcf182abb96 100644 > --- a/mm/memory-failure.c > +++ b/mm/memory-failure.c > @@ -519,19 +519,14 @@ void add_to_kill_ksm(struct task_struct *tsk, struct page *p, > * Also when FAIL is set do a force kill because something went > * wrong earlier. Since @fail is removed, above comment should be removed too. Thanks. .
