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b68503fb30
mirror_zfs/module/zfs
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Richard Yao b68503fb30 Remove vmem_size() consumers 
There are currently three vmem_size() consumers all of which are
part of the ARC implemention.  However, since the expected behavior
of the Linux and Solaris virtual memory subsystems are so different
the behavior in each of these instances needs to be reevaluated.

* arc_evict_needed() - This is actually dead code.  Arena support
was never added to the SPL and zio_arena is always NULL.  This
support isn't needed so we simply remove this dead code.

* arc_memory_throttle() - On Solaris where virtual memory constitutes
almost all of the address space we can reasonably expect there to be
a fairly large amount free.  However, on Linux by default we only
have about 100MB total and that's heavily used by the ARC.  So the
expectation on Linux is that this will usually be a small value.
Therefore we remove the vmem_size() check for i386 systems because
the expectation is that it will be less than the zfs_write_limit_max.

* arc_init() - Here vmem_size() is used to initially size the ARC.
Since the ARC is currently backed by the virtual address space it
makes sense to use this as a limit on the ARC for 32-bit systems.
This code can be removed when the ARC is backed by the page cache.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #831
2012-10-12 10:03:03 -07:00
..
arc.c Remove vmem_size() consumers 2012-10-12 10:03:03 -07:00
bplist.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
bpobj.c Illumos #1644, #1645, #1646, #1647, #1708 2012-07-31 09:25:30 -07:00
dbuf.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
ddt_zap.c Switch KM_SLEEP to KM_PUSHPAGE 2012-10-04 10:44:09 -07:00
ddt.c Switch KM_SLEEP to KM_PUSHPAGE 2012-09-19 11:52:36 -07:00
dmu_diff.c Update to onnv_147 2010-08-26 14:24:34 -07:00
dmu_object.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
dmu_objset.c Switch KM_SLEEP to KM_PUSHPAGE 2012-10-08 10:19:05 -07:00
dmu_send.c Illumos #2703: add mechanism to report ZFS send progress 2012-09-19 13:39:06 -07:00
dmu_traverse.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dmu_tx.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dmu_zfetch.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dmu.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dnode_sync.c Fix dbuf eviction assertion 2010-08-31 08:38:45 -07:00
dnode.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dsl_dataset.c Illumos #3100: zvol rename fails with EBUSY when dirty. 2012-10-03 13:59:02 -07:00
dsl_deadlist.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
dsl_deleg.c Illumos #1644, #1645, #1646, #1647, #1708 2012-07-31 09:25:30 -07:00
dsl_dir.c Illumos #3100: zvol rename fails with EBUSY when dirty. 2012-10-03 13:59:02 -07:00
dsl_pool.c txg is spelled as tgx in places 2012-10-11 09:19:08 -07:00
dsl_prop.c Switch KM_SLEEP to KM_PUSHPAGE 2012-09-17 11:22:23 -07:00
dsl_scan.c Fix zfs_txg_timeout module parameter 2012-10-11 15:07:09 -07:00
dsl_synctask.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
fm.c Switch KM_SLEEP to KM_PUSHPAGE 2012-09-02 10:15:49 -07:00
gzip.c Fix zmod.h usage in userspace 2010-08-31 08:38:46 -07:00
lzjb.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
Makefile.in Add script for builtin module building. 2012-07-26 13:45:09 -07:00
metaslab.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
refcount.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
rrwlock.c Enable rrwlock.c compilation 2010-12-07 16:05:25 -08:00
sa.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
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 Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
spa_errlog.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
spa_history.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
spa_misc.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
spa.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
space_map.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
txg.c Fix zfs_txg_timeout module parameter 2012-10-11 15:07:09 -07:00
uberblock.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
unique.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
vdev_cache.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
vdev_disk.c Modify vdev_elevator_switch() to use elevator_change() 2012-10-03 13:31:44 -07:00
vdev_file.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev_label.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
vdev_mirror.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev_missing.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev_queue.c Pre-allocate vdev I/O buffers 2012-08-27 12:01:37 -07:00
vdev_raidz.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev_root.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
vdev.c Illumos #1948: zpool list should show more detailed pool info 2012-09-19 13:39:05 -07:00
zap_leaf.c Switch KM_SLEEP to KM_PUSHPAGE 2012-09-05 08:44:58 -07:00
zap_micro.c Switch KM_SLEEP to KM_PUSHPAGE 2012-09-05 08:44:58 -07:00
zap.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
zfs_acl.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
zfs_byteswap.c Add linux kernel module support 2010-08-31 13:41:58 -07:00
zfs_ctldir.c Disable .zfs directory on 32-bit systems 2012-07-20 12:20:57 -07:00
zfs_debug.c Use spl_debug_* helpers 2012-02-09 16:37:48 -08:00
zfs_dir.c rmdir(2) should return ENOTEMPTY 2012-08-26 13:55:45 -07:00
zfs_fm.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
zfs_fuid.c Drop HAVE_XVATTR macros 2011-03-02 11:44:34 -08:00
zfs_ioctl.c Illumos #3129, #3130 2012-10-03 13:59:02 -07:00
zfs_log.c Make zfs_immediate_write_sz a module paramater 2012-10-11 11:09:21 -07:00
zfs_onexit.c Add linux kernel device support 2010-08-31 13:41:50 -07:00
zfs_replay.c ZFS replay transaction error 5 2012-09-17 11:06:58 -07:00
zfs_rlock.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
zfs_sa.c Revert "Use SA_HDL_PRIVATE for SA xattrs" 2012-08-25 09:25:56 -07:00
zfs_vfsops.c Illumos #3100: zvol rename fails with EBUSY when dirty. 2012-10-03 13:59:02 -07:00
zfs_vnops.c Clear PG_writeback for sync I/O error case 2012-09-14 15:53:47 -07:00
zfs_znode.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
zil.c Switch KM_SLEEP to KM_PUSHPAGE 2012-08-27 12:01:37 -07:00
zio_checksum.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zio_compress.c Update core ZFS code from build 121 to build 141. 2010-05-28 13:45:14 -07:00
zio_inject.c Add missing ZFS tunables 2011-05-04 10:02:37 -07:00
zio.c Disable page allocation warnings for ARC buffers 2012-09-06 11:53:08 -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 Linux 3.3 compat, iops->create()/mkdir()/mknod() 2012-04-30 12:52:38 -07:00
zpl_export.c Implement .commit_metadata hook for NFS export 2012-10-03 10:49:45 -07:00
zpl_file.c Annotate KM_PUSHPAGE call paths with PF_NOFS 2012-08-27 12:01:37 -07:00
zpl_inode.c Linux 3.5 compat, iops->truncate_range() removed 2012-07-23 12:29:32 -07:00
zpl_super.c Linux 3.5 compat, end_writeback() changed to clear_inode() 2012-07-23 12:29:36 -07:00
zpl_xattr.c Add missing NULL in zpl_xattr_handlers 2012-03-15 15:18:29 -07:00
zrlock.c Export ZFS symbols needed by Lustre. 2010-09-17 16:24:15 -07:00
zvol.c Set default zvol elevator to noop 2012-10-05 12:39:59 -07:00