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5074bfe8ad
mirror_zfs/module/zfs
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Tim Chase 5074bfe8ad Allocate zfs_znode_cache on the Linux slab 
The Linux slab, in general, performs better than the SPl slab in cases
where a lot of objects are allocated and fragmentation is likely present.

This patch fixes pathologically bad behavior in cases where the ARC is
filled with mostly metadata and a user program needs to allocate and
dirty enough memory which would require an insignificant amount of the
ARC to be reclaimed.

If zfs_znode_cache is on the SPL slab, the system may spin for a very
long time trying to reclaim sufficient memory.  If it is on the Linux
slab, the behavior has been observed to be much more predictible; the
memory is reclaimed more efficiently.

Signed-off-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #3283
2015-04-14 12:19:22 -07:00
..
arc.c Mark all ZPL and ioctl functions as PF_FSTRANS 2015-04-03 11:38:59 -07:00
blkptr.c Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
bplist.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
bpobj.c Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
bptree.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
dbuf_stats.c Skip evicting dbufs when walking the dbuf hash 2015-02-06 09:24:28 -08:00
dbuf.c Mark all ZPL and ioctl functions as PF_FSTRANS 2015-04-03 11:38:59 -07:00
ddt_zap.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
ddt.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
dmu_diff.c Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
dmu_object.c Illumos 3693 - restore_object uses at least two transactions to restore an object 2014-10-21 15:26:50 -07:00
dmu_objset.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
dmu_send.c Illumos 5162 - zfs recv should use loaned arc buffer to avoid copy 2014-10-21 16:32:11 -07:00
dmu_traverse.c Illumos 5694 - traverse_prefetcher does not prefetch enough 2015-03-27 15:02:50 -07:00
dmu_tx.c Set the maximum ZVOL transfer size correctly 2015-03-25 11:58:42 -07:00
dmu_zfetch.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
dmu.c Illumos 5695 - dmu_sync'ed holes do not retain birth time 2015-03-27 14:51:34 -07:00
dnode_sync.c Illumos 5630 - stale bonus buffer in recycled dnode_t leads to data corruption 2015-03-12 15:40:39 -07:00
dnode.c Illumos 5630 - stale bonus buffer in recycled dnode_t leads to data corruption 2015-03-12 15:40:39 -07:00
dsl_bookmark.c Illumos 4368, 4369. 2014-07-29 10:55:29 -07:00
dsl_dataset.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
dsl_deadlist.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
dsl_deleg.c cstyle: Resolve C style issues 2013-12-18 16:46:35 -08:00
dsl_destroy.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
dsl_dir.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
dsl_pool.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
dsl_prop.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
dsl_scan.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
dsl_synctask.c Export symbols dsl_sync_task{_nowait} 2014-03-07 10:01:36 -08:00
dsl_userhold.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
fm.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
gzip.c cstyle: Resolve C style issues 2013-12-18 16:46:35 -08:00
lz4.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
lzjb.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
Makefile.in Swap DTRACE_PROBE* with Linux tracepoints 2014-11-17 11:13:55 -08:00
metaslab.c Skip bad DVAs during free by setting zfs_recover=1 2015-02-13 16:02:04 -08:00
range_tree.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
refcount.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
rrwlock.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
sa.c Fix SA header size accounting 2015-02-06 09:26:46 -08:00
sha256.c Add linux sha2 support 2010-08-31 13:41:59 -07:00
spa_boot.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_config.c Use vmem_alloc() in spa_config_write() 2015-04-07 15:10:19 -07:00
spa_errlog.c Illumos 4914 - zfs on-disk bookmark structure should be named *_phys_t 2014-08-06 14:48:41 -07:00
spa_history.c Use kmem_vasprintf() in log_internal() 2015-01-21 15:30:24 -08:00
spa_misc.c Use cached feature info in spa_add_feature_stats() 2015-03-05 14:11:10 -08:00
spa_stats.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
spa.c Use cached feature info in spa_add_feature_stats() 2015-03-05 14:11:10 -08:00
space_map.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
space_reftree.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
trace.c Remove duplicate typedefs from trace.h 2015-01-06 16:53:24 -08:00
txg.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
uberblock.c Illumos #3598 2013-10-31 14:58:04 -07:00
unique.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
vdev_cache.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
vdev_disk.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
vdev_file.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
vdev_label.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
vdev_mirror.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
vdev_missing.c Illumos #3598 2013-10-31 14:58:04 -07:00
vdev_queue.c Revert "Pre-allocate vdev I/O buffers" 2015-01-16 14:41:28 -08:00
vdev_raidz.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
vdev_root.c Illumos #3598 2013-10-31 14:58:04 -07:00
vdev.c Revert "Don't read space maps during import for readonly pools" 2015-02-09 16:56:59 -08:00
zap_leaf.c Change ASSERT(!"...") to cmn_err(CE_PANIC, ...) 2015-03-03 13:22:21 -08:00
zap_micro.c Change ASSERT(!"...") to cmn_err(CE_PANIC, ...) 2015-03-03 13:22:21 -08:00
zap.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
zfeature_common.c Illumos 4924 - LZ4 Compression for metadata 2014-10-20 16:17:49 -07:00
zfeature.c Use cached feature info in spa_add_feature_stats() 2015-03-05 14:11:10 -08:00
zfs_acl.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
zfs_byteswap.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zfs_ctldir.c Illumos 4368, 4369. 2014-07-29 10:55:29 -07:00
zfs_debug.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
zfs_dir.c Revert "Revert "Revert "Fix unlink/xattr deadlock""" 2014-08-11 16:12:36 -07:00
zfs_fm.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
zfs_fuid.c Illumos #3522 2013-10-30 14:51:27 -07:00
zfs_ioctl.c Mark all ZPL and ioctl functions as PF_FSTRANS 2015-04-03 11:38:59 -07:00
zfs_log.c Only commit the ZIL once in zpl_writepages() (msync() case). 2013-11-23 15:08:29 -08:00
zfs_onexit.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
zfs_replay.c Linux AIO Support 2014-09-05 15:11:43 -07:00
zfs_rlock.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
zfs_sa.c Revert "SA spill block cache" 2015-01-16 14:41:28 -08:00
zfs_vfsops.c Reduce size of zfs_sb_t: allocate z_hold_mtx separately 2015-03-24 13:17:44 -07:00
zfs_vnops.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
zfs_znode.c Allocate zfs_znode_cache on the Linux slab 2015-04-14 12:19:22 -07:00
zil.c Use zio buffers in zil_itx_create() 2015-02-02 11:20:41 -08:00
zio_checksum.c Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
zio_compress.c Illumos 4757, 4913 2014-08-01 14:28:05 -07:00
zio_inject.c zio_injection_enabled should not be a module option 2015-03-24 13:22:03 -07:00
zio.c Illumus 5693 - ztest fails in dbuf_verify: buf[i] == 0, due to dedup and bp_override 2015-03-27 15:02:56 -07:00
zle.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zpl_ctldir.c Fix readdir for .zfs/snapshot directory 2015-02-10 16:34:30 -08:00
zpl_export.c cstyle: Resolve C style issues 2013-12-18 16:46:35 -08:00
zpl_file.c Mark all ZPL and ioctl functions as PF_FSTRANS 2015-04-03 11:38:59 -07:00
zpl_inode.c Mark all ZPL and ioctl functions as PF_FSTRANS 2015-04-03 11:38:59 -07:00
zpl_super.c Restructure per-filesystem reclaim 2015-03-20 10:35:20 -07:00
zpl_xattr.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
zrlock.c Remove duplicate typedefs from trace.h 2015-01-06 16:53:24 -08:00
zvol.c Set the maximum ZVOL transfer size correctly 2015-03-25 11:58:42 -07:00