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b445b25b273d263f032fadd717e5731185b74bf5
mirror_zfs/module/zfs
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shodanshok b445b25b27 Fix arc_p aggressive increase 
The original ARC paper called for an initial 50/50 MRU/MFU split
and this is accounted in various places where arc_p = arc_c >> 1,
with further adjustment based on ghost lists size/hit. However, in
current code both arc_adapt() and arc_get_data_impl() aggressively
grow arc_p until arc_c is reached, causing unneeded pressure on
MFU and greatly reducing its scan-resistance until ghost list
adjustments kick in.

This patch restores the original behavior of initially having arc_p
as 1/2 of total ARC, without preventing MRU to use up to 100% total
ARC when MFU is empty.

Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Gionatan Danti <g.danti@assyoma.it>
Closes #14137 
Closes #14120
2022-11-11 10:41:36 -08:00
..
abd.c
abd_return_buf() should call zfs_refcount_remove_many() early
2022-10-19 17:11:01 -07:00
aggsum.c
Remove bcopy(), bzero(), bcmp()
2022-03-15 15:13:42 -07:00
arc.c
Fix arc_p aggressive increase
2022-11-11 10:41:36 -08:00
blake3_zfs.c
Fix memory allocation issue for BLAKE3 context
2022-06-21 14:32:09 -07:00
blkptr.c
Remove bcopy(), bzero(), bcmp()
2022-03-15 15:13:42 -07:00
bplist.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
bpobj.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
bptree.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
bqueue.c
zfs recv hangs if max recordsize is less than received recordsize
2022-09-16 13:52:25 -07:00
btree.c
Optimize microzaps
2022-10-20 11:57:15 -07:00
dataset_kstats.c
Introduce kmem_scnprintf()
2022-10-29 13:05:11 -07:00
dbuf_stats.c
Revert "Reduce dbuf_find() lock contention"
2022-09-22 12:59:41 -07:00
dbuf.c
Cleanup: Address Clang's static analyzer's unused code complaints
2022-10-14 13:37:54 -07:00
ddt_zap.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
ddt.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
dmu_diff.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
dmu_object.c
Cleanup: Specify unsignedness on things that should not be signed
2022-09-27 16:42:41 -07:00
dmu_objset.c
Convert enum zio_flag to uint64_t
2022-10-27 09:54:54 -07:00
dmu_recv.c
Deny receiving into encrypted datasets if the keys are not loaded
2022-11-03 09:55:13 -07:00
dmu_redact.c
Fix incorrect size given to bqueue_enqueue() call in dmu_redact.c
2022-09-15 16:21:21 -07:00
dmu_send.c
Revert "Cleanup: Delete dead code from send_merge_thread()"
2022-10-28 13:25:37 -07:00
dmu_traverse.c
Convert enum zio_flag to uint64_t
2022-10-27 09:54:54 -07:00
dmu_tx.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
dmu_zfetch.c
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
dmu.c
Convert enum zio_flag to uint64_t
2022-10-27 09:54:54 -07:00
dnode_sync.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
dnode.c
Cleanup: Use OpenSolaris functions to call scheduler
2022-09-12 09:55:37 -07:00
dsl_bookmark.c
Cleanup: Address Clang's static analyzer's unused code complaints
2022-10-14 13:37:54 -07:00
dsl_crypt.c
Fix zpool status in case of unloaded keys
2022-08-22 17:42:01 -07:00
dsl_dataset.c
Cleanup: Address Clang's static analyzer's unused code complaints
2022-10-14 13:37:54 -07:00
dsl_deadlist.c
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
dsl_deleg.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
dsl_destroy.c
Prevent zevent list from consuming all of kernel memory
2022-08-22 12:36:22 -07:00
dsl_dir.c
Fix potential NULL pointer dereference regression
2022-11-10 13:56:28 -08:00
dsl_pool.c
Cleanup: Address Clang's static analyzer's unused code complaints
2022-10-14 13:37:54 -07:00
dsl_prop.c
dsl_prop_known_index(): check for invalid prop
2022-11-08 10:16:01 -08:00
dsl_scan.c
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
dsl_synctask.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
dsl_userhold.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
edonr_zfs.c
Remove bcopy(), bzero(), bcmp()
2022-03-15 15:13:42 -07:00
fm.c
fm_fmri_hc_create() must call va_end() before returning
2022-10-18 15:34:36 -07:00
gzip.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
hkdf.c
Remove bcopy(), bzero(), bcmp()
2022-03-15 15:13:42 -07:00
lz4_zfs.c
Updated the lz4 decompressor
2022-01-07 10:36:49 -08:00
lz4.c
lz4: Cherrypick fix for CVE-2021-3520
2022-01-12 16:14:36 -08:00
lzjb.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
metaslab.c
Cleanup: metaslab_alloc_dva() should not NULL check mg->mg_next
2022-10-18 15:39:40 -07:00
mmp.c
Cleanup: Address Clang's static analyzer's unused code complaints
2022-10-14 13:37:54 -07:00
multilist.c
Cleanup: Specify unsignedness on things that should not be signed
2022-09-27 16:42:41 -07:00
objlist.c
Implement Redacted Send/Receive
2019-06-19 09:48:12 -07:00
pathname.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
range_tree.c
Add defensive assertions
2022-10-12 11:25:18 -07:00
refcount.c
Cleanup: Specify unsignedness on things that should not be signed
2022-09-27 16:42:41 -07:00
rrwlock.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
sa.c
Fix double const qualifier declarations
2022-09-30 15:34:39 -07:00
sha256.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
skein_zfs.c
Remove bcopy(), bzero(), bcmp()
2022-03-15 15:13:42 -07:00
spa_checkpoint.c
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
spa_config.c
zed: mark disks as REMOVED when they are removed
2022-09-28 09:48:46 -07:00
spa_errlog.c
Cleanup: Specify unsignedness on things that should not be signed
2022-09-27 16:42:41 -07:00
spa_history.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
spa_log_spacemap.c
Address warnings about possible division by zero from clangsa
2022-11-03 09:58:14 -07:00
spa_misc.c
Introduce kmem_scnprintf()
2022-10-29 13:05:11 -07:00
spa_stats.c
Cleanup: Specify unsignedness on things that should not be signed
2022-09-27 16:42:41 -07:00
spa.c
zed: Prevent special vdev to be replaced by hot spare
2022-11-04 11:33:47 -07:00
space_map.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
space_reftree.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
THIRDPARTYLICENSE.cityhash
OpenZFS 8484 - Implement aggregate sum and use for arc counters
2018-06-06 09:35:59 -07:00
THIRDPARTYLICENSE.cityhash.descrip
OpenZFS 8484 - Implement aggregate sum and use for arc counters
2018-06-06 09:35:59 -07:00
txg.c
Cleanup: Specify unsignedness on things that should not be signed
2022-09-27 16:42:41 -07:00
uberblock.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
unique.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_cache.c
Cleanup: Specify unsignedness on things that should not be signed
2022-09-27 16:42:41 -07:00
vdev_draid_rand.c
Distributed Spare (dRAID) Feature
2020-11-13 13:51:51 -08:00
vdev_draid.c
vdev_draid_lookup_map() should not iterate outside draid_maps
2022-09-12 12:51:17 -07:00
vdev_indirect_births.c
Remove bcopy(), bzero(), bcmp()
2022-03-15 15:13:42 -07:00
vdev_indirect_mapping.c
Remove bcopy(), bzero(), bcmp()
2022-03-15 15:13:42 -07:00
vdev_indirect.c
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
vdev_initialize.c
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
vdev_label.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_mirror.c
Improve too large physical ashift handling
2022-09-08 10:30:53 -07:00
vdev_missing.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_queue.c
Convert enum zio_flag to uint64_t
2022-10-27 09:54:54 -07:00
vdev_raidz_math_aarch64_neon_common.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_aarch64_neon.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_aarch64_neonx2.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_avx2.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_avx512bw.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_avx512f.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_impl.h
Cleanup Raid-Z Typo fixes
2022-09-06 09:43:21 -07:00
vdev_raidz_math_powerpc_altivec_common.h
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_powerpc_altivec.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_scalar.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_sse2.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math_ssse3.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_raidz_math.c
Introduce kmem_scnprintf()
2022-10-29 13:05:11 -07:00
vdev_raidz.c
Improve too large physical ashift handling
2022-09-08 10:30:53 -07:00
vdev_rebuild.c
Fix sequential resilver drive failure race condition
2022-10-19 15:48:13 -07:00
vdev_removal.c
Cleanup: Specify unsignedness on things that should not be signed
2022-09-27 16:42:41 -07:00
vdev_root.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
vdev_trim.c
Propagate extent_bytes change to autotrim thread
2022-10-28 10:16:31 -07:00
vdev.c
Allow to control failfast
2022-11-10 13:37:12 -08:00
zap_leaf.c
Optimize microzaps
2022-10-20 11:57:15 -07:00
zap_micro.c
Optimize microzaps
2022-10-20 11:57:15 -07:00
zap.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zcp_get.c
Cleanup: Address Clang's static analyzer's unused code complaints
2022-10-14 13:37:54 -07:00
zcp_global.c
OpenZFS 8600 - ZFS channel programs - snapshot
2018-02-08 15:29:24 -08:00
zcp_iter.c
module/*.ko: prune .data, global .rodata
2022-01-14 15:37:55 -08:00
zcp_set.c
Support setting user properties in a channel program
2020-02-14 13:41:42 -08:00
zcp_synctask.c
Add zfs.sync.snapshot_rename
2022-09-02 13:31:19 -07:00
zcp.c
Fix too few arguments to formatting function
2022-10-29 13:04:52 -07:00
zfeature.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_byteswap.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_chksum.c
Introduce kmem_scnprintf()
2022-10-29 13:05:11 -07:00
zfs_fm.c
Remove an unused variable
2022-11-03 10:17:17 -07:00
zfs_fuid.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_ioctl.c
Cleanup: 64-bit kernel module parameters should use fixed width types
2022-10-13 10:03:29 -07:00
zfs_log.c
zfs_rename: support RENAME_* flags
2022-10-28 09:49:20 -07:00
zfs_onexit.c
zfs_onexit_add_cb: make action_handle point to a uintptr_t
2022-11-03 09:52:12 -07:00
zfs_quota.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_ratelimit.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_replay.c
Support idmapped mount in user namespace
2022-11-08 10:28:56 -08:00
zfs_rlock.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_sa.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zfs_vnops.c
Support idmapped mount in user namespace
2022-11-08 10:28:56 -08:00
zil.c
Optionally skip zil_close during zvol_create_minor_impl
2022-11-08 12:38:08 -08:00
zio_checksum.c
Fix double const qualifier declarations
2022-09-30 15:34:39 -07:00
zio_compress.c
Fix declarations of non-global variables
2022-10-18 11:05:32 -07:00
zio_inject.c
Cleanup: Switch to strlcpy from strncpy
2022-09-27 16:35:29 -07:00
zio.c
Convert enum zio_flag to uint64_t
2022-10-27 09:54:54 -07:00
zle.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zrlock.c
Replace dead opensolaris.org license link
2022-07-11 14:16:13 -07:00
zthr.c
Switch from _Noreturn to __attribute__((noreturn))
2022-03-23 08:51:00 -07:00
zvol.c
zfs_rename: support RENAME_* flags
2022-10-28 09:49:20 -07:00