mirror_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

avl

Retire spl_module_init()/spl_module_fini()

2015-02-24 11:37:44 -08:00

nvpair

Retire spl_module_init()/spl_module_fini()

2015-02-24 11:37:44 -08:00

unicode

Retire spl_module_init()/spl_module_fini()

2015-02-24 11:37:44 -08:00

zcommon

Change ASSERT(!"...") to cmn_err(CE_PANIC, ...)