Date: Fri, 17 Sep 2010 07:14:07 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs arc.c Message-ID: <201009170714.o8H7EPDK050359@repoman.freebsd.org>
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avg 2010-09-17 07:14:07 UTC
FreeBSD src repository
Modified files:
sys/cddl/contrib/opensolaris/uts/common/fs/zfs arc.c
Log:
SVN rev 212780 on 2010-09-17 07:14:07Z by avg
zfs arc_reclaim_needed: more reasonable threshold for available pages
vm_paging_target() is not a trigger of any kind for pageademon, but
rather a "soft" target for it when it's already triggered.
Thus, trying to keep 2048 pages above that level at the expense of ARC
was simply driving ARC size into the ground even with normal memory
loads.
Instead, use a threshold at which a pagedaemon scan is triggered, so
that ARC reclaiming helps with pagedaemon's task, but the latter still
recycles active and inactive pages.
PR: kern/146410, kern/138790
MFC after: 3 weeks
Revision Changes Path
1.44 +3 -3 src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
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