pk d24dbbbfc4 A `simplelock' suffices for most swap device list traversals, as noted
by Chuck Cranor.

Use an exclusive (long-term) lock before applying changes to the swap
lists. This lock is also used by the stats system call because of possible
blocking in copyout().
1997-10-17 19:06:05 +00:00
1997-10-17 18:50:45 +00:00
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