[PATCH v2] mm, hwpoison: Try to recover from copy-on write faults

David Laight David.Laight at ACULAB.COM
Fri Oct 21 15:11:23 AEDT 2022


From: Tony Luck
> Sent: 21 October 2022 05:08
....
> When we do return to user mode the task is going to be busy servicing
> a SIGBUS ... so shouldn't try to touch the poison page before the
> memory_failure() called by the worker thread cleans things up.

What about an RT process on a busy system?
The worker threads are pretty low priority.

	David

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