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52d85ca90c7db41f8cfc72e5fe7dc62c2f983032
linux/mm
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Christoph Hellwig 52d85ca90c mm/swap: add a new swap_ops.h header to allow for pluggable swap ops 
Add a new header to declare the swap_iocb, swap_ops and swap_ctx to allow
for swap_ops implementations outside of mm/page_io.c.  This will be used
to remove the double indirection for file system-based swap.  There is no
functional change, just a move of the declarations.

Note that there already is a swapops.h header, which is totally unrelated
to struct swap_ops.  The close naming is a bit unfortunate, but I could
not think of a better name for this header.

Link: https://lore.kernel.org/20260723054622.3460249-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Chris Li <chrisl@kernel.org>
Cc: Baoquan He <baoquan.he@linux.dev>
Cc: Kairui Song <kasong@tencent.com>
Cc: Kairui Song <ryncsn@gmail.com>
Cc: Kemeng Shi <shikemeng@huaweicloud.com>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Steve French <sfrench@samba.org>
Cc: Usama Arif <usama.arif@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2026-08-24 18:43:20 -07:00
..
damon
Merge branch 'mm-hotfixes-stable' into mm-stable to pick up
2026-08-24 18:40:27 -07:00
kasan
kasan: fix cache shrink race with CPU hotplug
2026-08-24 18:43:16 -07:00
kfence
Merge tag 'slab-for-7.2-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
2026-06-22 08:28:48 -07:00
kmsan
mm: split out vmalloc declarations from internal.h
2026-08-04 19:18:46 -07:00
tests
sparc/mm: export symbols for lazy_mmu_mode KUnit tests
2026-01-31 14:22:40 -08:00
alloc_tag.c
alloc_tag: add accuracy based filtering to ioctl
2026-08-24 18:43:13 -07:00
arch_numa.c
drivers/base, mm: move arch_numa.c to mm/
2026-08-24 18:43:10 -07:00
backing-dev.c
mm: blk-cgroup: fix use-after-free in cgwb_release_workfn()
2026-04-18 23:24:27 -07:00
balloon.c
mm: rename CONFIG_BALLOON_COMPACTION to CONFIG_BALLOON_MIGRATION
2026-01-31 14:22:36 -08:00
bpf_memcontrol.c
bpf: Revert "bpf: drop KF_ACQUIRE flag on BPF kfunc bpf_get_root_mem_cgroup()"
2026-01-21 09:38:16 -08:00
cma_debug.c
mm/cma_debug: fix invalid accesses for inactive CMA areas
2026-05-28 20:50:33 -07:00
cma_sysfs.c
mm/cma_sysfs: skip inactive CMA areas in sysfs
2026-06-03 16:25:49 -07:00
cma.c
mm/cma: remove stray newline from auto-generated CMA area name
2026-08-24 18:43:16 -07:00
cma.h
mm: add some missing includes to mm-local headers
2026-08-24 18:43:03 -07:00
compaction.c
mm: page_alloc: fix non-movable reclaim storm in defrag_mode
2026-08-06 18:57:24 -07:00
debug_page_alloc.c
mm: debug_page_alloc: fix NULL buf in debug_guardpage_minorder_setup
2026-08-24 18:43:08 -07:00
debug_page_ref.c
…
debug_vm_pgtable.c
mm: decouple protnone helpers from CONFIG_NUMA_BALANCING
2026-08-04 19:18:36 -07:00
debug.c
mm: prefer mm->def_vma_flags in mm logic
2026-08-06 18:57:02 -07:00
dmapool_test.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
dmapool.c
…
early_ioremap.c
mm/early_ioremap: clarify early_ioremap_reset() semantics
2026-08-06 18:57:21 -07:00
execmem.c
mm: split out vmalloc declarations from internal.h
2026-08-04 19:18:46 -07:00
fadvise.c
mm/fadvise: validate offset in generic_fadvise
2026-04-05 13:52:53 -07:00
fail_page_alloc.c
…
failslab.c
…
filemap.c
Merge branch 'mm-hotfixes-stable' into mm-stable to pick up
2026-08-24 18:40:27 -07:00
folio-compat.c
mm/page-writeback: document folio_mark_dirty() locking more explicitly
2026-08-24 18:43:19 -07:00
folio.c
mm/gup: factor out LRU cache draining for folio into lru_cache_drain_for_folio()
2026-08-24 18:43:00 -07:00
gup_test.c
mm/gup_test: keep longterm pin state per file
2026-08-24 18:43:17 -07:00
gup_test.h
…
gup.c
mm/gup: factor out LRU cache draining for folio into lru_cache_drain_for_folio()
2026-08-24 18:43:00 -07:00
highmem.c
mm/highmem: fix __kmap_to_page() build error
2026-01-31 14:22:38 -08:00
hmm.c
mm/hmm: add hmm_range_fault_unlocked_timeout() for mmap lock-drop support
2026-08-04 19:18:54 -07:00
huge_memory.c
mm/huge_memory: use folio's memcg inside __folio_split()
2026-08-24 18:42:59 -07:00
hugetlb_cgroup.c
Convert 'alloc_flex' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
hugetlb_cma.c
mm/hugetlb_cma: support percentage-based hugetlb_cma reservation
2026-08-24 18:43:11 -07:00
hugetlb_cma.h
mm: add some missing includes to mm-local headers
2026-08-24 18:43:03 -07:00
hugetlb_internal.h
mm/hugetlb: extract sysctl into hugetlb_sysctl.c
2025-11-20 13:43:57 -08:00
hugetlb_sysctl.c
mm, hugetlb: implement movable_gigantic_pages sysctl
2026-01-20 19:24:50 -08:00
hugetlb_sysfs.c
mm/hugetlb: extract sysfs into hugetlb_sysfs.c
2025-11-20 13:43:57 -08:00
hugetlb_vmemmap.c
mm/hugetlb_vmemmap: remove bootmem_info leftovers
2026-08-04 19:18:42 -07:00
hugetlb_vmemmap.h
mm/sparse-vmemmap: remove sparse_vmemmap_init_nid_late()
2026-07-28 21:12:00 -07:00
hugetlb.c
hugetlb: only adjust reservation during unmapping if mapcount is 0
2026-08-24 18:42:58 -07:00
hwpoison-inject.c
mm/hwpoison: decouple hwpoison_filter from mm/memory-failure.c
2025-09-21 14:22:21 -07:00
init-mm.c
exec_state: relocate dumpable information
2026-05-26 11:02:01 +02:00
internal.h
mm/gup: factor out LRU cache draining for folio into lru_cache_drain_for_folio()
2026-08-24 18:43:00 -07:00
interval_tree.c
mm/rmap: use anon pgoff to track MAP_PRIVATE file-backed anon folios
2026-08-24 18:42:53 -07:00
ioremap.c
…
Kconfig
drivers/base, mm: move arch_numa.c to mm/
2026-08-24 18:43:10 -07:00
Kconfig.debug
mm: move alloc tag to mm
2026-07-28 21:12:03 -07:00
khugepaged.c
mm/khugepaged: replace mutex_lock/mutex_unlock usage with guard macro
2026-08-06 18:57:26 -07:00
kmemleak.c
mm: kmemleak: default min_unref_scans to 2 for verbose auto-scan
2026-08-24 18:43:18 -07:00
ksm.c
ksm: update comments and docs to reference folio->mapping
2026-08-24 18:43:02 -07:00
list_lru.c
Merge tag 'mm-stable-2026-06-18-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-06-19 10:14:34 -07:00
maccess.c
…
madvise.c
mm/swap: add a new swap_ops.h header to allow for pluggable swap ops
2026-08-24 18:43:20 -07:00
Makefile
drivers/base, mm: move arch_numa.c to mm/
2026-08-24 18:43:10 -07:00
mapping_dirty_helpers.c
mm/vma: use vma_start_pgoff(), linear_page_index() in mm code
2026-08-04 19:19:00 -07:00
memblock.c
mm: split out mm_init and memblock declarations from internal.h
2026-08-04 19:18:45 -07:00
memcontrol-v1.c
mm/vmscan: reduce lru_lock contention via vmstat-derived scan-balance cost
2026-08-24 18:42:56 -07:00
memcontrol-v1.h
mm: add some missing includes to mm-local headers
2026-08-24 18:43:03 -07:00
memcontrol.c
memcg: bypass the reclaim and oom killer for dying tasks once oom_reaper is done
2026-08-24 18:42:57 -07:00
memfd_luo.c
mm/memfd_luo: document preservation of file seals
2026-05-04 14:03:16 +00:00
memfd.c
mm/vma: update do_mmap() to use vma_flags_t
2026-08-06 18:57:01 -07:00
memory_hotplug.c
mm/memory_hotplug: add offline_and_remove_memory_ranges()
2026-08-06 18:56:59 -07:00
memory-failure.c
mm: introduce and use vma_filebacked_address()
2026-08-24 18:42:51 -07:00
memory-tiers.c
mm: introduce CONFIG_NUMA_MIGRATION and simplify CONFIG_MIGRATION
2026-04-05 13:53:33 -07:00
memory.c
mm: update print_bad_page_map() to show anon index if appropriate
2026-08-24 18:42:51 -07:00
mempolicy.c
mm: provide vma_[flags_]is_cow_mapping() and remove is_cow_mapping()
2026-08-24 18:42:50 -07:00
mempool.c
mm: simplify the mempool_alloc_bulk API
2026-06-03 18:20:47 +02:00
memremap.c
mm: decrement MTHP_STAT_NR_ANON in free_zone_device_folio()
2026-07-28 17:37:31 -07:00
memtest.c
mm/memtest: add underflow detection for size calculation
2026-01-09 11:53:51 +02:00
migrate_device.c
mm/migrate_device: clear stale mapping after freeing swapcache
2026-08-24 18:42:59 -07:00
migrate.c
mm/migrate: calculate large folio page index using PFN
2026-08-24 18:42:53 -07:00
mincore.c
mm: mincore: refactor mincore_page()
2026-08-06 18:57:15 -07:00
mlock.c
mm/mlock: convert mlock code to use vma_flags_t
2026-08-06 18:57:03 -07:00
mm_init.c
mm/page_ext: remove pgdat_page_ext_init()
2026-08-24 18:43:03 -07:00
mm_init.h
mm: split out mm_init and memblock declarations from internal.h
2026-08-04 19:18:45 -07:00
mm_slot.h
mm/mm_slot.h: add comments for mm_slot_lookup/insert
2026-08-06 18:57:04 -07:00
mmap_lock.c
mm/vma: improve and document __is_vma_write_locked()
2026-01-31 14:22:51 -08:00
mmap.c
mm/vma: convert miscellaneous uses of VMA flags in core mm
2026-08-06 18:57:03 -07:00
mmu_gather.c
mm/mmu_gather: replace IPI with synchronize_rcu() when batch allocation fails
2026-04-05 13:53:05 -07:00
mmu_notifier.c
mm/vma: correct incorrect vma.h inclusion
2026-08-04 19:19:04 -07:00
mmzone.c
mm/vmscan: reduce lru_lock contention via vmstat-derived scan-balance cost
2026-08-24 18:42:56 -07:00
mprotect.c
mm/mprotect: convert mprotect code to use vma_flags_t
2026-08-06 18:57:04 -07:00
mremap.c
mm: use proper PTE accessor in move_ptes()
2026-08-24 18:42:58 -07:00
mseal.c
mm/mseal: remove further superfluous comments, do_mseal()
2026-08-06 18:57:12 -07:00
msync.c
mm/vma: use vma_start_pgoff(), linear_page_index() in mm code
2026-08-04 19:19:00 -07:00
nommu.c
mm: nommu: point to the write iterator upon split_vma
2026-08-24 18:42:48 -07:00
numa_emulation.c
mm/fake-numa: fix under-allocation detection in uniform split
2026-06-02 08:34:03 +03:00
numa_memblks.c
Merge tag 'fixes-2026-02-21' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
2026-02-21 09:58:22 -08:00
numa.c
…
oom_kill.c
mm/oom_kill.c: simpilfy rcu call with guard(rcu)
2026-04-05 13:53:17 -07:00
page_alloc.c
mm/page_alloc: only update lowmem_reserve_ratio on sysctl write
2026-08-24 18:43:01 -07:00
page_alloc.h
mm: replace __GFP_NO_CODETAG with ALLOC_NO_CODETAG
2026-07-30 19:40:44 -07:00
page_counter.c
…
page_ext.c
mm/page_ext: remove pgdat_page_ext_init()
2026-08-24 18:43:03 -07:00
page_frag_cache.c
mm: replace __GFP_NO_CODETAG with ALLOC_NO_CODETAG
2026-07-30 19:40:44 -07:00
page_idle.c
mm/page_idle.c: remove redundant mmu notifier in aging code
2026-04-05 13:53:02 -07:00
page_io.c
mm/swap: add a new swap_ops.h header to allow for pluggable swap ops
2026-08-24 18:43:20 -07:00
page_isolation.c
mm: split out internal page_alloc.h
2026-07-30 19:40:41 -07:00
page_owner.c
mm: split out internal page_alloc.h
2026-07-30 19:40:41 -07:00
page_poison.c
…
page_reporting.c
mm/page_reporting: add page_reporting_delay_ms module parameter
2026-08-24 18:42:58 -07:00
page_reporting.h
…
page_table_check.c
Merge branch 'mm-hotfixes-stable' into mm-stable to pick up
2026-08-24 18:40:27 -07:00
page_vma_mapped.c
mm/rmap: use anon pgoff to track MAP_PRIVATE file-backed anon folios
2026-08-24 18:42:53 -07:00
page-writeback.c
mm/page-writeback: document folio_mark_dirty() locking more explicitly
2026-08-24 18:43:19 -07:00
pagewalk.c
Merge branch 'mm-hotfixes-stable' into mm-stable to pick up
2026-08-24 18:40:27 -07:00
percpu-internal.h
mm/percpu-internal.h: optimise pcpu_chunk struct to save memory
2026-06-02 15:22:13 -07:00
percpu-km.c
mm/percpu-km: clear page->private before free them
2026-08-04 19:18:32 -07:00
percpu-stats.c
…
percpu-vm.c
mm: split out vmalloc declarations from internal.h
2026-08-04 19:18:46 -07:00
percpu.c
mm/percpu: avoid IO/FS reclaim in backing allocations
2026-07-28 21:11:47 -07:00
pgalloc-track.h
mm: add some missing includes to mm-local headers
2026-08-24 18:43:03 -07:00
pgtable-generic.c
mm: change to return bool for pmdp_clear_flush_young()
2026-04-05 13:53:35 -07:00
process_vm_access.c
…
ptdump.c
mm/ptdump: always stabilise against page table freeing using init_mm
2026-08-04 20:02:00 -07:00
readahead.c
Revert "mm: limit filemap_fault readahead to VMA boundaries"
2026-06-21 11:37:38 -07:00
rmap.c
mm: vmscan: convert folio_referenced() to use vma_flags_t
2026-08-24 18:42:54 -07:00
rodata_test.c
…
secretmem.c
mm/secretmem: don't allow highmem folios
2026-08-06 18:57:09 -07:00
shmem_quota.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
shmem.c
mm/swap: add a new swap_ops.h header to allow for pluggable swap ops
2026-08-24 18:43:20 -07:00
show_mem.c
mm/show_mem: fix format string inconsistencies and type mismatches
2026-08-24 18:43:06 -07:00
shrinker_debug.c
mm: shrinker: fix NULL pointer dereference in debugfs
2026-07-01 19:02:52 -07:00
shrinker.c
mm: shrinker: fix shrinker_info teardown race with expansion
2026-07-01 19:02:52 -07:00
shuffle.c
mm: split out internal page_alloc.h
2026-07-30 19:40:41 -07:00
shuffle.h
mm: add some missing includes to mm-local headers
2026-08-24 18:43:03 -07:00
slab_common.c
mm/slab: prevent unbounded recursion in free path with new kmalloc type
2026-07-14 17:22:40 +02:00
slab.h
mm: fix ASSERT_EXCLUSIVE_BITS by passing memdesc_flags_t by pointer
2026-07-30 19:40:31 -07:00
slub.c
mm: factor out can_spin_trylock()
2026-07-30 19:40:44 -07:00
sparse-vmemmap.c
mm: split out sparse declarations from internal.h
2026-08-04 19:18:46 -07:00
sparse.c
mm/sparse: keep mem_section_usage_size() internal
2026-08-24 18:43:06 -07:00
sparse.h
mm/sparse: keep mem_section_usage_size() internal
2026-08-24 18:43:06 -07:00
swap_state.c
mm/swap: add a new swap_ops.h header to allow for pluggable swap ops
2026-08-24 18:43:20 -07:00
swap_table.h
mm, swap: merge zeromap into swap table
2026-06-02 15:22:23 -07:00
swap.h
mm/swap: add a new swap_ops.h header to allow for pluggable swap ops
2026-08-24 18:43:20 -07:00
swapfile.c
mm/swap: remove SWP_FS_OPS
2026-08-24 18:43:15 -07:00
truncate.c
mm/truncate: use folio_split() in truncate_inode_partial_folio()
2026-06-21 11:37:16 -07:00
usercopy.c
usercopy: Remove folio references from check_heap_object()
2025-11-13 11:01:08 +01:00
userfaultfd.c
mm/rmap: use anon pgoff to track MAP_PRIVATE file-backed anon folios
2026-08-24 18:42:53 -07:00
util.c
mm/vma: update do_mmap() to use vma_flags_t
2026-08-06 18:57:01 -07:00
vma_exec.c
mm: propagate VMA anonymous page offset on map, remap, split + merge
2026-08-24 18:42:52 -07:00
vma_init.c
mm/vma: introduce VMA anon page offset field and add helpers
2026-08-24 18:42:49 -07:00
vma_internal.h
mm/vma: correct incorrect vma.h inclusion
2026-08-04 19:19:04 -07:00
vma.c
mm/rmap: use anon pgoff to track MAP_PRIVATE file-backed anon folios
2026-08-24 18:42:53 -07:00
vma.h
mm: propagate VMA anonymous page offset on map, remap, split + merge
2026-08-24 18:42:52 -07:00
vmalloc.c
mm/vmalloc: do not warn on -ENOMEM from va_alloc()
2026-08-24 18:43:02 -07:00
vmalloc.h
mm: add some missing includes to mm-local headers
2026-08-24 18:43:03 -07:00
vmpressure.c
mm/vmpressure: move v1 userspace eventfd code into memcontrol-v1.c
2026-07-30 19:40:28 -07:00
vmscan.c
mm/swap: add a new swap_ops.h header to allow for pluggable swap ops
2026-08-24 18:43:20 -07:00
vmstat.c
mm/vmstat: add NRSWP{IN,OUT} counters
2026-08-24 18:43:15 -07:00
workingset.c
mm/vmscan: reduce lru_lock contention via vmstat-derived scan-balance cost
2026-08-24 18:42:56 -07:00
zpdesc.h
mm: zpdesc: minor naming and comment corrections
2025-09-21 14:21:59 -07:00
zsmalloc.c
zsmalloc: account for handle size in class lookup
2026-08-24 18:43:19 -07:00
zswap.c
mm/swap: add a new swap_ops.h header to allow for pluggable swap ops
2026-08-24 18:43:20 -07:00