Re: [PATCH 3/3] userfaultfd: non-cooperative: allow synchronous EVENT_REMOVE

From: Pavel Emelyanov
Date: Wed Feb 28 2018 - 03:21:19 EST



> @@ -52,6 +53,7 @@
> #define _UFFDIO_WAKE (0x02)
> #define _UFFDIO_COPY (0x03)
> #define _UFFDIO_ZEROPAGE (0x04)
> +#define _UFFDIO_WAKE_SYNC_EVENT (0x05)

Excuse my ignorance, but what's the difference between UFFDIO_WAKE and UFFDIO_WAKE_SYNC_EVENT?

-- Pavel