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3ad1dce6c3
linux/mm
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SeongJae Park 3ad1dce6c3 mm/damon/core: implement DAMOS quota goals online commit function 
Patch series "mm/damon: introduce DAMON parameters online commit function".

DAMON context struct (damon_ctx) contains user requests (parameters),
internal status, and operation results.  For flexible usages, DAMON API
users are encouraged to manually manipulate the struct.  That works well
for simple use cases.  However, it has turned out that it is not that
simple at least for online parameters udpate.  It is easy to forget
properly maintaining internal status and operation results.  Also, such
manual manipulation for online tuning is implemented multiple times on
DAMON API users including DAMON sysfs interface, DAMON_RECLAIM and
DAMON_LRU_SORT.  As a result, we have multiple sources of bugs for same
problem.  Actually we found and fixed a few bugs from online parameter
updating of DAMON API users.

Implement a function for online DAMON parameters update in core layer, and
replace DAMON API users' manual manipulation code for the use case.  The
core layer function could still have bugs, but this change reduces the
source of bugs for the problem to one place.


This patch (of 12):

Implement functions for supporting online DAMOS quota goals parameters
update.  The function receives two DAMOS quota structs.  One is the struct
that currently being used by a kdamond and therefore to be updated.  The
other one contains the parameters to be applied to the first one.  The
function applies the new parameters to the destination struct while
keeping/updating the internal status.  The function should be called from
parameters-update safe place, like DAMON callbacks.

Link: https://lkml.kernel.org/r/20240618181809.82078-1-sj@kernel.org
Link: https://lkml.kernel.org/r/20240618181809.82078-2-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-07-03 19:30:13 -07:00
..
damon mm/damon/core: implement DAMOS quota goals online commit function 2024-07-03 19:30:13 -07:00
kasan kasan: fix bad call to unpoison_slab_object 2024-06-24 20:52:09 -07:00
kfence mm/kfence: add MODULE_DESCRIPTION() 2024-07-03 19:29:58 -07:00
kmsan kmsan: introduce test_unpoison_memory() 2024-07-03 19:30:02 -07:00
backing-dev.c writeback: support retrieving per group debug writeback stats of bdi 2024-05-05 17:53:51 -07:00
balloon_compaction.c mm: remove MIGRATE_SYNC_NO_COPY mode 2024-07-03 19:30:00 -07:00
bootmem_info.c bootmem: use kmemleak_free_part_phys in put_page_bootmem 2023-10-25 16:47:13 -07:00
cma_debug.c
cma_sysfs.c mm/cma: add sysfs file 'release_pages_success' 2024-02-22 10:24:57 -08:00
cma.c mm/cma: drop incorrect alignment check in cma_init_reserved_mem 2024-04-25 20:56:42 -07:00
cma.h mm/cma: add sysfs file 'release_pages_success' 2024-02-22 10:24:57 -08:00
compaction.c mm: handle profiling for fake memory allocations during compaction 2024-06-24 20:52:09 -07:00
debug_page_alloc.c mm: page_alloc: consolidate free page accounting 2024-04-25 20:56:04 -07:00
debug_page_ref.c
debug_vm_pgtable.c mm/debug_vm_pgtable: drop RANDOM_ORVALUE trick 2024-06-15 10:43:08 -07:00
debug.c mm/debug: print only page mapcount (excluding folio entire mapcount) in __dump_folio() 2024-05-05 17:53:31 -07:00
dmapool_test.c mm/dmapool: add MODULE_DESCRIPTION() 2024-07-03 19:29:58 -07:00
dmapool.c mm/mempool/dmapool: remove CONFIG_DEBUG_SLAB ifdefs 2023-12-05 11:17:58 +01:00
early_ioremap.c
execmem.c mm/execmem, arch: convert remaining overrides of module_alloc to execmem 2024-05-14 00:31:43 -07:00
fadvise.c
fail_page_alloc.c
failslab.c
filemap.c mm: fix xyz_noprof functions calling profiled functions 2024-06-05 19:19:26 -07:00
folio-compat.c mm: remove page_mapping() 2024-07-03 19:29:59 -07:00
gup_test.c
gup_test.h
gup.c mm: introduce pmd|pte_needs_soft_dirty_wp helpers for softdirty write-protect 2024-07-03 19:30:07 -07:00
highmem.c mm/highmem: make nr_free_highpages() return "unsigned long" 2024-07-03 19:30:06 -07:00
hmm.c mm/treewide: replace pXd_huge() with pXd_leaf() 2024-04-25 20:55:46 -07:00
huge_memory.c mm/vmscan: avoid split lazyfree THP during shrink_folio_list() 2024-07-03 19:30:08 -07:00
hugetlb_cgroup.c mm/hugetlb_cgroup: switch to the new cftypes 2024-07-03 19:30:10 -07:00
hugetlb_vmemmap.c mm: report per-page metadata information 2024-07-03 19:30:09 -07:00
hugetlb_vmemmap.h mm: hugetlb_vmemmap: fix reference to nonexistent file 2023-10-25 16:47:14 -07:00
hugetlb.c mm/hugetlb: guard dequeue_hugetlb_folio_nodemask against NUMA_NO_NODE uses 2024-07-03 19:30:10 -07:00
hwpoison-inject.c mm/hwpoison: add MODULE_DESCRIPTION() 2024-07-03 19:29:58 -07:00
init-mm.c mm: Deprecate pasid field 2023-12-12 10:11:32 +01:00
internal.h mm: rename alloc_demote_folio to alloc_migrate_folio 2024-07-03 19:30:12 -07:00
interval_tree.c
io-mapping.c
ioremap.c
Kconfig The usual shower of singleton fixes and minor series all over MM, 2024-05-19 09:21:03 -07:00
Kconfig.debug mm/slub: unify all sl[au]b parameters with "slab_$param" 2024-01-22 10:31:08 +01:00
khugepaged.c mm: simplify thp_vma_allowable_order 2024-05-05 17:53:53 -07:00
kmemleak.c mm: lift gfp_kmemleak_mask() to gfp.h 2024-05-19 14:40:44 -07:00
ksm.c mm/ksm: fix ksm_zero_pages accounting 2024-06-05 19:19:26 -07:00
list_lru.c mm/zswap: stop lru list shrinking when encounter warm region 2024-02-22 10:24:54 -08:00
maccess.c
madvise.c mm/madvise: add MF_ACTION_REQUIRED to madvise(MADV_HWPOISON) 2024-07-03 19:29:57 -07:00
Makefile mseal: add mseal syscall 2024-05-23 19:40:26 -07:00
mapping_dirty_helpers.c
memblock.c memblock: use numa_valid_node() helper to check for invalid node ID 2024-06-16 10:17:57 +03:00
memcontrol.c mm: memcontrol: add VM_BUG_ON_FOLIO() to catch lru folio in mem_cgroup_migrate() 2024-07-03 19:30:13 -07:00
memfd.c mm/memfd: refactor memfd_tag_pins() and memfd_wait_for_pins() 2024-03-04 17:01:21 -08:00
memory_hotplug.c mm/memory_hotplug: prevent accessing by index=-1 2024-07-03 19:30:09 -07:00
memory-failure.c mm/memory-failure: correct comment in me_swapcache_dirty 2024-07-03 19:30:12 -07:00
memory-tiers.c memory tier: create CPUless memory tiers after obtaining HMAT info 2024-05-05 17:53:26 -07:00
memory.c mm: set pte writable while pte_soft_dirty() is true in do_swap_page() 2024-07-03 19:30:07 -07:00
mempolicy.c mm: mempolicy: use folio_alloc_mpol() in alloc_migration_target_by_mpol() 2024-07-03 19:29:53 -07:00
mempool.c mm: fix xyz_noprof functions calling profiled functions 2024-06-05 19:19:26 -07:00
memremap.c mm: convert put_devmap_managed_page_refs() to put_devmap_managed_folio_refs() 2024-05-05 17:53:49 -07:00
memtest.c memtest: use {READ,WRITE}_ONCE in memory scanning 2024-03-13 12:12:21 -07:00
migrate_device.c mm: migrate_device: unify migrate folio for MIGRATE_SYNC_NO_COPY 2024-07-03 19:30:00 -07:00
migrate.c mm: remove MIGRATE_SYNC_NO_COPY mode 2024-07-03 19:30:00 -07:00
mincore.c mm/swap: reduce swap cache search space 2024-07-03 19:29:56 -07:00
mlock.c mm/mlock: implement folio_mlock_step() using folio_pte_batch() 2024-07-03 19:30:09 -07:00
mm_init.c mm/mm_init.c: simplify logic of deferred_[init|free]_pages 2024-07-03 19:30:12 -07:00
mm_slot.h
mmap_lock.c
mmap.c mm: batch unlink_file_vma calls in free_pgd_range 2024-07-03 19:29:58 -07:00
mmu_gather.c mm/mmu_gather: improve cond_resched() handling with large folios and expensive page freeing 2024-02-22 15:27:17 -08:00
mmu_notifier.c mmu_notifier: remove the .change_pte() callback 2024-04-11 13:18:36 -04:00
mmzone.c zswap: shrink zswap pool based on memory pressure 2023-12-12 10:57:02 -08:00
mprotect.c mm: introduce pmd|pte_needs_soft_dirty_wp helpers for softdirty write-protect 2024-07-03 19:30:07 -07:00
mremap.c mseal: add mseal syscall 2024-05-23 19:40:26 -07:00
mseal.c mseal: add mseal syscall 2024-05-23 19:40:26 -07:00
msync.c
nommu.c The usual shower of singleton fixes and minor series all over MM, 2024-05-19 09:21:03 -07:00
oom_kill.c memory: remove the now superfluous sentinel element from ctl_table array 2024-04-25 20:56:32 -07:00
page_alloc.c mm: report per-page metadata information 2024-07-03 19:30:09 -07:00
page_counter.c
page_ext.c mm: report per-page metadata information 2024-07-03 19:30:09 -07:00
page_idle.c
page_io.c mm: zswap: handle incorrect attempts to load large folios 2024-07-03 19:30:09 -07:00
page_isolation.c mm: page_isolation: prepare for hygienic freelists 2024-04-25 20:56:04 -07:00
page_owner.c mm/page-owner: use gfp_nested_mask() instead of open coded masking 2024-05-19 14:40:44 -07:00
page_poison.c mm/page_poison: replace kmap_atomic() with kmap_local_page() 2023-12-10 16:51:50 -08:00
page_reporting.c mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER 2024-01-08 15:27:15 -08:00
page_reporting.h
page_table_check.c mm/page_table_check: fix crash on ZONE_DEVICE 2024-06-15 10:43:04 -07:00
page_vma_mapped.c mm: make page_mapped_in_vma conditional on CONFIG_MEMORY_FAILURE 2024-05-05 17:53:45 -07:00
page-writeback.c writeback: factor out balance_wb_limits to remove repeated code 2024-07-03 19:29:54 -07:00
pagewalk.c mm: pagewalk: assert write mmap lock only for walking the user page tables 2023-12-10 16:51:53 -08:00
percpu-internal.h mm: percpu: add codetag reference into pcpuobj_ext 2024-04-25 20:55:56 -07:00
percpu-km.c
percpu-stats.c
percpu-vm.c percpu: clean up all mappings when pcpu_map_pages() fails 2024-04-25 20:55:49 -07:00
percpu.c mm: percpu: enable per-cpu allocation tagging 2024-04-25 20:55:56 -07:00
pgalloc-track.h
pgtable-generic.c mm: fix race between __split_huge_pmd_locked() and GUP-fast 2024-05-07 10:37:00 -07:00
process_vm_access.c mm: fix process_vm_rw page counts 2023-12-10 16:51:39 -08:00
ptdump.c mm: ptdump: add check_wx_pages debugfs attribute 2024-02-22 10:24:47 -08:00
readahead.c The usual shower of singleton fixes and minor series all over MM, 2024-05-19 09:21:03 -07:00
rmap.c mm/vmscan: avoid split lazyfree THP during shrink_folio_list() 2024-07-03 19:30:08 -07:00
rodata_test.c
secretmem.c
shmem_quota.c tmpfs: fix race on handling dquot rbtree 2024-03-26 11:07:23 -07:00
shmem.c mm: shmem: add mTHP counters for anonymous shmem 2024-07-03 19:30:04 -07:00
show_mem.c lib: add memory allocations report in show_mem() 2024-04-25 20:55:57 -07:00
shrinker_debug.c mm: shrinker: convert shrinker_rwsem to mutex 2023-10-04 10:32:26 -07:00
shrinker.c mm: shrinker: use kvzalloc_node() from expand_one_shrinker_info() 2024-01-05 09:58:32 -08:00
shuffle.c
shuffle.h mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER 2024-01-08 15:27:15 -08:00
slab_common.c The usual shower of singleton fixes and minor series all over MM, 2024-05-19 09:21:03 -07:00
slab.h The usual shower of singleton fixes and minor series all over MM, 2024-05-19 09:21:03 -07:00
slub.c mm/slab: fix 'variable obj_exts set but not used' warning 2024-06-24 20:52:09 -07:00
sparse-vmemmap.c mm: report per-page metadata information 2024-07-03 19:30:09 -07:00
sparse.c mm: report per-page metadata information 2024-07-03 19:30:09 -07:00
swap_cgroup.c
swap_slots.c mm: swap: update get_swap_pages() to take folio order 2024-04-25 20:56:37 -07:00
swap_state.c mm: swap: remove 'synchronous' argument to swap_read_folio() 2024-07-03 19:30:06 -07:00
swap.c mm: add kernel-doc for folio_mark_accessed() 2024-05-05 17:53:50 -07:00
swap.h mm: swap: remove 'synchronous' argument to swap_read_folio() 2024-07-03 19:30:06 -07:00
swapfile.c mm: remove the implementation of swap_free() and always use swap_free_nr() 2024-07-03 19:30:01 -07:00
truncate.c mm/vmscan: update stale references to shrink_page_list 2024-07-03 19:29:52 -07:00
usercopy.c
userfaultfd.c mm: userfaultfd: use swap() in double_pt_lock() 2024-07-03 19:30:03 -07:00
util.c hardening fixes for v6.10-rc5 2024-06-17 12:00:22 -07:00
vmalloc.c mm/vmalloc: use __this_cpu_try_cmpxchg() in preload_this_cpu_lock() 2024-07-03 19:30:02 -07:00
vmpressure.c eventfd: simplify eventfd_signal() 2023-11-28 14:08:38 +01:00
vmscan.c mm: rename alloc_demote_folio to alloc_migrate_folio 2024-07-03 19:30:12 -07:00
vmstat.c mm: report per-page metadata information 2024-07-03 19:30:09 -07:00
workingset.c mm: cleanup WORKINGSET_NODES in workingset 2024-05-07 10:36:59 -07:00
z3fold.c mm: zpool: return pool size in pages 2024-04-25 20:55:48 -07:00
zbud.c mm: zpool: return pool size in pages 2024-04-25 20:55:48 -07:00
zpool.c mm: zpool: return pool size in pages 2024-04-25 20:55:48 -07:00
zsmalloc.c mm: remove MIGRATE_SYNC_NO_COPY mode 2024-07-03 19:30:00 -07:00
zswap.c mm: zswap: handle incorrect attempts to load large folios 2024-07-03 19:30:09 -07:00