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authoravg <avg@FreeBSD.org>2014-11-17 13:30:18 +0000
committeravg <avg@FreeBSD.org>2014-11-17 13:30:18 +0000
commit7b042e6763d57e5561e50e38512eb032f4a53c89 (patch)
tree37a016d5b98067659b5af228bedd5c17c648b437 /sys/cddl
parentcd85a50ea71f0088023b8494a9ab23bec4f950a8 (diff)
downloadFreeBSD-src-7b042e6763d57e5561e50e38512eb032f4a53c89.zip
FreeBSD-src-7b042e6763d57e5561e50e38512eb032f4a53c89.tar.gz
MFC r272708: l2arc_write_buffers: reduce headroom value
Diffstat (limited to 'sys/cddl')
-rw-r--r--sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
index a160c6e..ac70303 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
@@ -5055,7 +5055,7 @@ l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz,
if (ab == NULL)
ARCSTAT_BUMP(arcstat_l2_write_buffer_list_null_iter);
- headroom = target_sz * l2arc_headroom;
+ headroom = target_sz * l2arc_headroom * 2 / ARC_BUFC_NUMLISTS;
if (do_headroom_boost)
headroom = (headroom * l2arc_headroom_boost) / 100;
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