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Liam R. Howlett 3499a13168 mm/mmap: use maple tree for unmapped_area{_topdown} 
The maple tree code was added to find the unmapped area in a previous
commit and was checked against what the rbtree returned, but the actual
result was never used.  Start using the maple tree implementation and
remove the rbtree code.

Add kernel documentation comment for these functions.

Link: https://lkml.kernel.org/r/20220906194824.2110408-14-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Tested-by: Yu Zhao <yuzhao@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-26 19:46:15 -07:00
..
damon
Merge branch 'mm-hotfixes-stable' into mm-stable
2022-09-26 13:13:15 -07:00
kasan
- The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe
2022-08-05 16:32:45 -07:00
kfence
kfence: add sysfs interface to disable kfence for selected slabs.
2022-09-11 20:25:52 -07:00
backing-dev.c
mm: backing-dev: Remove the unneeded result variable
2022-09-11 20:26:02 -07:00
balloon_compaction.c
mm: Convert all PageMovable users to movable_operations
2022-08-02 12:34:03 -04:00
bootmem_info.c
bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem
2022-08-28 14:02:45 -07:00
cma_debug.c
mm/cma_debug: show complete cma name in debugfs directories
2022-09-11 20:25:50 -07:00
cma_sysfs.c
…
cma.c
Revert "mm/cma.c: remove redundant cma_mutex lock"
2022-05-13 15:11:26 -07:00
cma.h
mm/cma: provide option to opt out from exposing pages on activation failure
2022-03-22 15:57:09 -07:00
compaction.c
mm: fix null-ptr-deref in kswapd_is_running()
2022-09-11 20:26:04 -07:00
debug_page_ref.c
…
debug_vm_pgtable.c
docs: rename Documentation/vm to Documentation/mm
2022-06-27 12:52:53 -07:00
debug.c
mm: unexport page_init_poison
2022-03-24 19:06:45 -07:00
dmapool.c
mm/dmapool.c: revert "make dma pool to use kmalloc_node"
2022-01-15 16:30:28 +02:00
early_ioremap.c
mm/early_ioremap: declare early_memremap_pgprot_adjust()
2022-03-22 15:57:11 -07:00
fadvise.c
riscv: compat: syscall: Add compat_sys_call_table implementation
2022-04-26 13:36:25 -07:00
failslab.c
mm: fix missing handler for __GFP_NOWARN
2022-05-19 14:08:55 -07:00
filemap.c
delayacct: support re-entrance detection of thrashing accounting
2022-09-26 19:46:07 -07:00
folio-compat.c
mm/folio-compat: Remove migration compatibility functions
2022-08-02 12:34:04 -04:00
frontswap.c
frontswap: don't call ->init if no ops are registered
2022-09-26 12:14:34 -07:00
gup_test.c
mm: rename is_pinnable_page() to is_longterm_pinnable_page()
2022-07-17 17:14:27 -07:00
gup_test.h
…
gup.c
Merge branch 'mm-hotfixes-stable' into mm-stable
2022-09-26 13:13:15 -07:00
highmem.c
- The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe
2022-08-05 16:32:45 -07:00
hmm.c
mm/swap: add swp_offset_pfn() to fetch PFN from swap entry
2022-09-26 19:46:05 -07:00
huge_memory.c
mm/demotion: update node_is_toptier to work with memory tiers
2022-09-26 19:46:12 -07:00
hugetlb_cgroup.c
hugetlb_cgroup: use helper for_each_hstate and hstate_index
2022-09-11 20:25:53 -07:00
hugetlb_vmemmap.c
mm: hugetlb_vmemmap: simplify reset_struct_pages()
2022-09-11 20:25:58 -07:00
hugetlb_vmemmap.h
mm: hugetlb_vmemmap: improve hugetlb_vmemmap code readability
2022-08-08 18:06:43 -07:00
hugetlb.c
Merge branch 'mm-hotfixes-stable' into mm-stable
2022-09-26 13:13:15 -07:00
hwpoison-inject.c
mm/memory-failure: disable unpoison once hw error happens
2022-06-16 19:11:32 -07:00
init-mm.c
mm: start tracking VMAs with maple tree
2022-09-26 19:46:14 -07:00
internal.h
mm: multi-gen LRU: exploit locality in rmap
2022-09-26 19:46:09 -07:00
interval_tree.c
…
io-mapping.c
…
ioremap.c
mm: ioremap: Add ioremap/iounmap_allowed()
2022-06-27 12:22:31 +01:00
Kconfig
mm: multi-gen LRU: admin guide
2022-09-26 19:46:10 -07:00
Kconfig.debug
Two followon fixes for the post-5.19 series "Use pageblock_order for cma
2022-05-27 11:40:49 -07:00
khugepaged.c
mm: MADV_COLLAPSE: refetch vm_end after reacquiring mmap_lock
2022-09-26 19:46:03 -07:00
kmemleak.c
mm/kmemleak: make create_object return void
2022-09-11 20:26:10 -07:00
ksm.c
mm: fix PageAnonExclusive clearing racing with concurrent RCU GUP-fast
2022-09-11 20:26:11 -07:00
list_lru.c
mm: kmem: make mem_cgroup_from_obj() vmalloc()-safe
2022-06-16 19:48:31 -07:00
maccess.c
asm-generic updates for 5.18
2022-03-23 18:03:08 -07:00
madvise.c
Merge branch 'mm-hotfixes-stable' into mm-stable
2022-09-26 13:13:15 -07:00
Makefile
mm/demotion: add support for explicit memory tiers
2022-09-26 19:46:11 -07:00
mapping_dirty_helpers.c
mm: move tlb_flush_pending inline helpers to mm_inline.h
2022-01-15 16:30:27 +02:00
memblock.c
memblock updates for v5.20
2022-08-09 09:48:30 -07:00
memcontrol.c
mm: multi-gen LRU: support page table walks
2022-09-26 19:46:09 -07:00
memfd.c
memfd: fix F_SEAL_WRITE after shmem huge page allocated
2022-03-05 11:08:32 -08:00
memory_hotplug.c
mm: fix null-ptr-deref in kswapd_is_running()
2022-09-11 20:26:04 -07:00
memory-failure.c
mm/swap: add swp_offset_pfn() to fetch PFN from swap entry
2022-09-26 19:46:05 -07:00
memory-tiers.c
mm/demotion: expose memory tier details via sysfs
2022-09-26 19:46:13 -07:00
memory.c
mm/demotion: update node_is_toptier to work with memory tiers
2022-09-26 19:46:12 -07:00
mempolicy.c
mm/hugetlb: add dedicated func to get 'allowed' nodemask for current process
2022-09-11 20:25:50 -07:00
mempool.c
mm/mempool: use might_alloc()
2022-06-16 19:48:30 -07:00
memremap.c
mm/mremap_pages: save a few cycles in get_dev_pagemap()
2022-09-11 20:26:11 -07:00
memtest.c
…
migrate_device.c
mm: remember young/dirty bit for page migrations
2022-09-26 19:46:05 -07:00
migrate.c
mm/demotion: update node_is_toptier to work with memory tiers
2022-09-26 19:46:12 -07:00
mincore.c
mm: teach core mm about pte markers
2022-05-13 07:20:09 -07:00
mlock.c
mm: handling Non-LRU pages returned by vm_normal_pages
2022-07-17 17:14:28 -07:00
mm_init.c
mm: multi-gen LRU: groundwork
2022-09-26 19:46:09 -07:00
mmap_lock.c
mm: mmap_lock: fix disabling preemption directly
2021-07-23 17:43:28 -07:00
mmap.c
mm/mmap: use maple tree for unmapped_area{_topdown}
2022-09-26 19:46:15 -07:00
mmu_gather.c
mm/mmu_gather: limit free batch count and add schedule point in tlb_batch_pages_flush
2022-04-28 23:16:12 -07:00
mmu_notifier.c
mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove()
2022-04-21 20:01:10 -07:00
mmzone.c
mm: multi-gen LRU: groundwork
2022-09-26 19:46:09 -07:00
mprotect.c
mm/demotion: update node_is_toptier to work with memory tiers
2022-09-26 19:46:12 -07:00
mremap.c
Yang Shi has improved the behaviour of khugepaged collapsing of readonly
2022-05-26 12:32:41 -07:00
msync.c
…
nommu.c
mm: start tracking VMAs with maple tree
2022-09-26 19:46:14 -07:00
oom_kill.c
mm/oom_kill.c: fix vm_oom_kill_table[] ifdeffery
2022-06-01 15:57:16 -07:00
page_alloc.c
Merge branch 'mm-hotfixes-stable' into mm-stable
2022-09-26 13:13:15 -07:00
page_counter.c
mm: page_counter: remove unneeded atomic ops for low/min
2022-09-11 20:26:01 -07:00
page_ext.c
page_ext: introduce boot parameter 'early_page_ext'
2022-09-11 20:26:02 -07:00
page_idle.c
mm: don't be stuck to rmap lock on reclaim path
2022-05-19 14:08:54 -07:00
page_io.c
mm/page_io: count submission time as thrashing delay for delayacct
2022-09-26 19:46:08 -07:00
page_isolation.c
mm/page_isolation: fix isolate_single_pageblock() isolation behavior
2022-09-26 12:14:34 -07:00
page_owner.c
mm/page_owner.c: add llseek for page_owner
2022-09-11 20:25:59 -07:00
page_poison.c
…
page_reporting.c
mm/page_reporting: allow driver to specify reporting order
2021-06-29 10:53:47 -07:00
page_reporting.h
…
page_table_check.c
mm: fix use-after free of page_ext after race with memory-offline
2022-09-11 20:25:57 -07:00
page_vma_mapped.c
mm/swap: add swp_offset_pfn() to fetch PFN from swap entry
2022-09-26 19:46:05 -07:00
page-writeback.c
writeback: avoid use-after-free after removing device
2022-08-28 14:02:43 -07:00
pagewalk.c
mm: pagewalk: add api documentation for walk_page_range_novma()
2022-09-11 20:26:00 -07:00
percpu-internal.h
percpu: improve percpu_alloc_percpu event trace
2022-05-13 07:20:18 -07:00
percpu-km.c
percpu: flush tlb in pcpu_reclaim_populated()
2021-07-04 18:30:17 +00:00
percpu-stats.c
mm: use vmalloc_array and vcalloc for array allocations
2022-03-08 09:30:46 -05:00
percpu-vm.c
percpu: flush tlb in pcpu_reclaim_populated()
2021-07-04 18:30:17 +00:00
percpu.c
mm: percpu: use kmemleak_ignore_phys() instead of kmemleak_free()
2022-07-17 17:14:47 -07:00
pgalloc-track.h
…
pgtable-generic.c
mm: avoid unnecessary flush on change_huge_pmd()
2022-05-13 07:20:05 -07:00
process_vm_access.c
…
ptdump.c
mm: sparsemem: use page table lock to protect kernel pmd operations
2022-03-22 15:57:08 -07:00
readahead.c
filemap: Fix serialization adding transparent huge pages to page cache
2022-06-23 12:22:00 -04:00
rmap.c
mm: multi-gen LRU: exploit locality in rmap
2022-09-26 19:46:09 -07:00
rodata_test.c
…
secretmem.c
mm: fix dereferencing possible ERR_PTR
2022-09-11 16:22:31 -07:00
shmem.c
shmem: update folio if shmem_replace_page() updates the page
2022-08-28 14:02:43 -07:00
shrinker_debug.c
mm: shrinkers: fix double kfree on shrinker name
2022-07-29 18:07:13 -07:00
shuffle.c
…
shuffle.h
…
slab_common.c
mm/slab_common: move generic bulk alloc/free functions to SLOB
2022-07-20 13:30:12 +02:00
slab.c
- The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe
2022-08-05 16:32:45 -07:00
slab.h
mm/slab_common: move generic bulk alloc/free functions to SLOB
2022-07-20 13:30:12 +02:00
slob.c
mm/slab_common: move generic bulk alloc/free functions to SLOB
2022-07-20 13:30:12 +02:00
slub.c
kfence: add sysfs interface to disable kfence for selected slabs.
2022-09-11 20:25:52 -07:00
sparse-vmemmap.c
mm: hugetlb_vmemmap: move vmemmap code related to HugeTLB to hugetlb_vmemmap.c
2022-08-08 18:06:42 -07:00
sparse.c
mm: memory_hotplug: enumerate all supported section flags
2022-07-03 18:08:49 -07:00
swap_cgroup.c
mm: use vmalloc_array and vcalloc for array allocations
2022-03-08 09:30:46 -05:00
swap_slots.c
arm64: enable THP_SWAP for arm64
2022-07-20 10:52:40 +01:00
swap_state.c
mm: fix VM_BUG_ON in __delete_from_swap_cache()
2022-09-11 16:22:31 -07:00
swap.c
mm: multi-gen LRU: exploit locality in rmap
2022-09-26 19:46:09 -07:00
swap.h
mm/swap: remove the end_write_func argument to __swap_writepage
2022-09-11 20:25:50 -07:00
swapfile.c
mm/swap: cache swap migration A/D bits support
2022-09-26 19:46:05 -07:00
truncate.c
mm: Remove __delete_from_page_cache()
2022-06-29 08:51:05 -04:00
usercopy.c
usercopy: use unsigned long instead of uintptr_t
2022-07-01 17:03:38 -07:00
userfaultfd.c
mm/uffd: reset write protection when unregister with wp-mode
2022-08-20 15:17:45 -07:00
util.c
mm/util.c: add warning if __vm_enough_memory fails
2022-09-11 20:25:54 -07:00
vmacache.c
…
vmalloc.c
mm/vmalloc: extend find_vmap_lowest_match_check with extra arguments
2022-09-11 20:26:05 -07:00
vmpressure.c
mm/vmpressure: fix data-race with memcg->socket_pressure
2021-11-06 13:30:40 -07:00
vmscan.c
mm/demotion: demote pages according to allocation fallback order
2022-09-26 19:46:12 -07:00
vmstat.c
mm/demotion: build demotion targets based on explicit memory tiers
2022-09-26 19:46:12 -07:00
workingset.c
mm: multi-gen LRU: minimal implementation
2022-09-26 19:46:09 -07:00
z3fold.c
mm: Convert all PageMovable users to movable_operations
2022-08-02 12:34:03 -04:00
zbud.c
mm/zbud: add kerneldoc fields for zbud_pool
2021-07-01 11:06:03 -07:00
zpool.c
zpool: remove the list of pools_head
2022-01-15 16:30:31 +02:00
zsmalloc.c
zsmalloc: zs_object_copy: replace email link to doc
2022-09-11 20:25:56 -07:00
zswap.c
mm/swap: remove the end_write_func argument to __swap_writepage
2022-09-11 20:25:50 -07:00