What is a livelock? (was: [patch] sys_sync livelock fix)

From: Olaf Dietsche (olaf.dietsche--list.linux-kernel@exmail.de)
Date: Tue Feb 12 2002 - 20:36:45 EST

Andrew Morton <akpm@zip.com.au> writes:

> The get_request fairness patch exposed a livelock
> in the buffer layer. write_unlocked_buffers() will
> not terminate while other tasks are generating write traffic.

The subject says it: what is a livelock? How is it different
from a deadlock?

Thanks, Olaf.
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