mirror_zfs/module
Jorgen Lundman 035219ee10 Fix abd leak, kmem_free correct size of abd_t
Fix a leak of abd_t that manifested mostly when using
raidzN with at least as many columns as N (e.g. a
four-disk raidz2 but not a three-disk raidz2).
Sufficiently heavy raidz use would eventually run a system
out of memory.

Additionally:

* Switch abd_cache arena to FIRSTFIT, which empirically
improves perofrmance.

* Make abd_chunk_cache more performant and debuggable.

* Allocate the abd_zero_buf from abd_chunk_cache rather
than the heap.

* Don't try to reap non-existent qcaches in abd_cache arena.

* KM_PUSHPAGE->KM_SLEEP when allocating chunks from their
own arena

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Jorgen Lundman <lundman@lundman.net>
Co-authored-by: Sean Doran <smd@use.net>
Closes #12295
2021-09-14 12:22:28 -07:00
..
avl Fix various typos 2021-04-07 13:27:11 -07:00
icp Replace ZoL with OpenZFS where applicable 2021-05-10 12:16:46 -07:00
lua cppcheck: integrete cppcheck 2021-01-26 16:12:26 -08:00
nvpair Links in Source Files 2020-09-02 09:42:12 -07:00
os Fix abd leak, kmem_free correct size of abd_t 2021-09-14 12:22:28 -07:00
spl Cleanup linux module kbuild files 2020-06-10 09:24:15 -07:00
unicode Fix various typos 2021-04-07 13:27:11 -07:00
zcommon Fix AVX512BW Fletcher code on AVX512-but-not-BW machines 2021-05-10 12:05:36 -07:00
zfs Fix abd leak, kmem_free correct size of abd_t 2021-09-14 12:22:28 -07:00
zstd Fix build with KASAN 2021-06-29 13:14:42 -07:00
.gitignore Cleanup linux module kbuild files 2020-06-10 09:24:15 -07:00
Kbuild.in Add zstd support to zfs 2020-08-20 10:30:06 -07:00
Makefile.bsd Restore FreeBSD resource usage accounting 2021-02-19 22:34:33 -08:00
Makefile.in FreeBSD module --enable-debug --enable-invariants 2021-03-05 12:16:41 -08:00