Date: Fri, 17 Apr 2009 16:42:03 +0000 (UTC) From: Alan Cox <alc@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/vm vm_page.c Message-ID: <200904171642.n3HGgJCK047445@repoman.freebsd.org>
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alc 2009-04-17 16:42:03 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7_2)
sys/vm vm_page.c
Log:
SVN rev 191209 on 2009-04-17 16:42:03Z by alc
MFC r175055
Defer setting either PG_CACHED or PG_FREE until after the free page
queues lock is acquired. Otherwise, the state of a reservation's
pages' flags and its population count can be inconsistent. That could
result in a page being freed twice.
(This change should have been included in the MFC of the superpages
support.)
Thanks to: pho for an illuminating crash
Approved by: re (kib)
Revision Changes Path
1.357.2.8.2.2 +2 -2 src/sys/vm/vm_page.c
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