mohans 2007-01-24 22:49:12 UTC
FreeBSD src repository
Modified files:
sys/vm uma_core.c
Log:
Fix for a bug where only one process (of multiple) blocked on
maxpages on a zone is woken up, with the rest never being woken up as
a result of the ZFLAG_FULL flag being cleared. Wakeup all such blocked
procsses instead. This change introduces a thundering herd, but since
this should be relatively infrequent, optimizing this (by introducing
a count of blocked processes, for example) may be premature.
Reviewd by: ups@
Revision Changes Path
1.143 +7 -2 src/sys/vm/uma_core.c
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