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Implemented swap locking via P_SWAPPING flag. It was possible for a process

Description

Implemented swap locking via P_SWAPPING flag. It was possible for a process
to be chosen for swap-in while it was being swapped-out. This was BAD.

Submitted by: John Dyson

Details

Provenance
David Greenman <dg@FreeBSD.org>Authored on Nov 13 1994, 12:47 PM
Parents
rG0d15e0ac1e28: Added P_SWAPPING flag to implement a lock for swap in. It was possible for
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