Re: [PATCH 3/3] mm/memory-failure: send SIGBUS in the event of thp split fail
From: Miaohe Lin
Date: Wed May 08 2024 - 05:03:39 EST
On 2024/5/2 7:24, Jane Chu wrote:
> When handle hwpoison in a GUP longterm pin'ed thp page,
> try_to_split_thp_page() will fail. And at this point, there is little else
> the kernel could do except sending a SIGBUS to the user process, thus
> give it a chance to recover.
It seems the user process will still receive SIGBUS via kill_accessing_process()
when (re-)access thp later. So they should have a chance to recover already.
Or am I miss something?
Thanks.
.