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Matthew Wilcox (Oracle) 8897277acf mm: support order-1 folios in the page cache 
Folios of order 1 have no space to store the deferred list.  This is not a
problem for the page cache as file-backed folios are never placed on the
deferred list.  All we need to do is prevent the core MM from touching the
deferred list for order 1 folios and remove the code which prevented us
from allocating order 1 folios.

Link: https://lore.kernel.org/linux-mm/90344ea7-4eec-47ee-5996-0c22f42d6a6a@google.com/
Link: https://lkml.kernel.org/r/20240226205534.1603748-3-zi.yan@sent.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Zi Yan <ziy@nvidia.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Michal Koutny <mkoutny@suse.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Zach O'Keefe <zokeefe@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 		2024-03-04 17:01:19 -08:00
..
damon mm: madvise: pageout: ignore references rather than clearing young 2024-03-04 17:01:18 -08:00
kasan kasan: fix a2 allocation and remove explicit cast in atomic tests 2024-03-04 17:01:17 -08:00
kfence KFENCE: cleanup kfence_guarded_alloc() after CONFIG_SLAB removal 2023-12-05 11:17:58 +01:00
kmsan mm: kmsan: remove runtime checks from kmsan_unpoison_memory() 2024-02-22 10:24:41 -08:00
Kconfig Introduce cpu_dcache_is_aliasing() across all architectures 2024-02-22 15:27:19 -08:00
Kconfig.debug mm/slab: remove CONFIG_SLAB from all Kconfig and Makefile 2023-12-05 11:14:40 +01:00
Makefile mm/slab: remove CONFIG_SLAB from all Kconfig and Makefile 2023-12-05 11:14:40 +01:00
backing-dev.c blk-wbt: Fix detection of dirty-throttled tasks 2024-02-06 09:44:03 -07:00
balloon_compaction.c
…
bootmem_info.c bootmem: use kmemleak_free_part_phys in put_page_bootmem 2023-10-25 16:47:13 -07:00
cma.c mm/cma: add sysfs file 'release_pages_success' 2024-02-22 10:24:57 -08:00
cma.h mm/cma: add sysfs file 'release_pages_success' 2024-02-22 10:24:57 -08:00
cma_debug.c
…
cma_sysfs.c mm/cma: add sysfs file 'release_pages_success' 2024-02-22 10:24:57 -08:00
compaction.c mm/compaction: optimize >0 order folio compaction with free page split. 2024-02-23 17:48:33 -08:00
debug.c
…
debug_page_alloc.c mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER 2024-01-08 15:27:15 -08:00
debug_page_ref.c
…
debug_vm_pgtable.c mm/debug_vm_pgtable: fix BUG_ON with pud advanced test 2024-02-23 17:27:13 -08:00
dmapool.c mm/mempool/dmapool: remove CONFIG_DEBUG_SLAB ifdefs 2023-12-05 11:17:58 +01:00
dmapool_test.c
…
early_ioremap.c
…
fadvise.c
…
fail_page_alloc.c
…
failslab.c
…
filemap.c mm: support order-1 folios in the page cache 2024-03-04 17:01:19 -08:00
folio-compat.c mm: remove page_add_new_anon_rmap and lru_cache_add_inactive_or_unevictable 2023-12-29 11:58:27 -08:00
gup.c mm: convert page_try_share_anon_rmap() to folio_try_share_anon_rmap_[pte|pmd]() 2023-12-29 11:58:56 -08:00
gup_test.c
…
gup_test.h
…
highmem.c x86/kexec: use pr_err() instead of kexec_dprintk() when an error occurs 2023-12-29 12:22:28 -08:00
hmm.c
…
huge_memory.c mm: support order-1 folios in the page cache 2024-03-04 17:01:19 -08:00
hugetlb.c hugetlb: allow faults to be handled under the VMA lock 2024-03-04 17:01:16 -08:00
hugetlb_cgroup.c mm, hugetlb: remove HUGETLB_CGROUP_MIN_ORDER 2023-10-18 14:34:17 -07:00
hugetlb_vmemmap.c mm: hugetlb_vmemmap: move mmap lock to vmemmap_remap_range() 2023-12-12 10:57:08 -08:00
hugetlb_vmemmap.h mm: hugetlb_vmemmap: fix reference to nonexistent file 2023-10-25 16:47:14 -07:00
hwpoison-inject.c
…
init-mm.c mm: Deprecate pasid field 2023-12-12 10:11:32 +01:00
internal.h mm: support order-1 folios in the page cache 2024-03-04 17:01:19 -08:00
interval_tree.c
…
io-mapping.c
…
ioremap.c
…
khugepaged.c mm/khugepaged: bypassing unnecessary scans with MMF_DISABLE_THP check 2024-02-23 17:48:25 -08:00
kmemleak.c kmemleak: avoid RCU stalls when freeing metadata for per-CPU pointers 2023-12-12 10:57:07 -08:00
ksm.c mm: convert page_try_share_anon_rmap() to folio_try_share_anon_rmap_[pte|pmd]() 2023-12-29 11:58:56 -08:00
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: pageout: ignore references rather than clearing young 2024-03-04 17:01:18 -08:00
mapping_dirty_helpers.c
…
memblock.c mm/memblock: add MEMBLOCK_RSRV_NOINIT into flagname[] array 2024-02-20 14:20:49 -08:00
memcontrol.c mm: memcg: use larger batches for proactive reclaim 2024-02-22 10:24:52 -08:00
memfd.c memfd: drop warning for missing exec-related flags 2023-10-04 10:32:22 -07:00
memory-failure.c mm/memory-failure: fix crash in split_huge_page_to_list from soft_offline_page 2024-02-07 21:20:34 -08:00
memory-tiers.c mm/demotion: print demotion targets 2024-02-22 10:24:55 -08:00
memory.c mm/memory: change vmf_anon_prepare() to be non-static 2024-03-04 17:01:15 -08:00
memory_hotplug.c mm/memory_hotplug: export mhp_supports_memmap_on_memory() 2024-02-22 10:24:40 -08:00
mempolicy.c mm/mempolicy: protect task interleave functions with tsk->mems_allowed_seq 2024-02-22 10:24:47 -08:00
mempool.c Many singleton patches against the MM code. The patch series which 2024-01-09 11:18:47 -08:00
memremap.c mm: remove stale example from comment 2023-12-29 11:58:26 -08:00
memtest.c
…
migrate.c merge mm-hotfixes-stable into mm-nonmm-stable to pick up stackdepot changes 2024-02-23 17:28:43 -08:00
migrate_device.c mm: convert page_try_share_anon_rmap() to folio_try_share_anon_rmap_[pte|pmd]() 2023-12-29 11:58:56 -08:00
mincore.c
…
mlock.c mm: mlock: avoid folio_within_range() on KSM pages 2023-10-25 16:47:14 -07:00
mm_init.c efi: disable mirror feature during crashkernel 2024-01-12 15:20:47 -08:00
mm_slot.h
…
mmap.c mm/mmap: pass vma to vma_merge() 2024-02-22 10:24:52 -08:00
mmap_lock.c
…
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
…
mmzone.c zswap: shrink zswap pool based on memory pressure 2023-12-12 10:57:02 -08:00
mprotect.c mprotect: use pfn_swap_entry_folio 2024-02-21 16:00:03 -08:00
mremap.c mm: abstract VMA merge and extend into vma_merge_extend() helper 2023-10-18 14:34:18 -07:00
msync.c
…
nommu.c mm/vmalloc: remove vmap_area_list 2024-02-23 17:48:19 -08:00
oom_kill.c mm: update mark_victim tracepoints fields 2024-03-04 17:01:16 -08:00
page-writeback.c writeback: remove a use of write_cache_pages() from do_writepages() 2024-02-23 17:48:38 -08:00
page_alloc.c mm/page_alloc: make check_new_page() return bool 2024-03-04 17:01:15 -08:00
page_counter.c
…
page_ext.c
…
page_idle.c
…
page_io.c zswap: memcontrol: implement zswap writeback disabling 2023-12-29 20:22:11 -08:00
page_isolation.c mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER 2024-01-08 15:27:15 -08:00
page_owner.c mm,page_owner: filter out stacks by a threshold 2024-02-23 17:48:17 -08:00
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
…
page_vma_mapped.c mm: thp: introduce multi-size THP sysfs interface 2023-12-20 14:48:12 -08:00
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
…
percpu-km.c
…
percpu-stats.c
…
percpu-vm.c
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percpu.c mm: Introduce flush_cache_vmap_early() 2023-12-14 00:23:17 -08:00
pgalloc-track.h
…
pgtable-generic.c
…
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 mm: support order-1 folios in the page cache 2024-03-04 17:01:19 -08:00
rmap.c rmap: replace two calls to compound_order with folio_order 2024-02-22 15:27:20 -08:00
rodata_test.c
…
secretmem.c
…
shmem.c shmem: properly report quota mount options 2024-02-23 17:48:34 -08:00
shmem_quota.c
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show_mem.c mm, treewide: introduce NR_PAGE_ORDERS 2024-01-08 15:27:15 -08:00
shrinker.c mm: shrinker: use kvzalloc_node() from expand_one_shrinker_info() 2024-01-05 09:58:32 -08:00
shrinker_debug.c mm: shrinker: convert shrinker_rwsem to mutex 2023-10-04 10:32:26 -07:00
shuffle.c
…
shuffle.h mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER 2024-01-08 15:27:15 -08:00
slab.h mm/slab: move kmalloc() functions from slab_common.c to slub.c 2023-12-06 11:57:21 +01:00
slab_common.c slub: use a folio in __kmalloc_large_node 2024-01-05 10:17:46 -08:00
slub.c Many singleton patches against the MM code. The patch series which 2024-01-09 11:18:47 -08:00
sparse-vmemmap.c
…
sparse.c mm/memory_hotplug: introduce MEM_PREPARE_ONLINE/MEM_FINISH_OFFLINE notifiers 2024-02-21 16:00:01 -08:00
swap.c mm/mmu_gather: add __tlb_remove_folio_pages() 2024-02-22 15:27:17 -08:00
swap.h mm/swap: fix race when skipping swapcache 2024-02-20 14:20:48 -08:00
swap_cgroup.c
…
swap_slots.c mm/zswap: invalidate zswap entry when swap entry free 2024-02-22 10:24:54 -08:00
swap_state.c mm/mmu_gather: add __tlb_remove_folio_pages() 2024-02-22 15:27:17 -08:00
swapfile.c mm/swapfile:__swap_duplicate: drop redundant WRITE_ONCE on swap_map for err cases 2024-02-23 17:48:34 -08:00
truncate.c fs: convert error_remove_page to error_remove_folio 2023-12-10 16:51:42 -08:00
usercopy.c
…
userfaultfd.c userfaultfd: use per-vma locks in userfaultfd operations 2024-02-22 15:27:20 -08:00
util.c mm/util.c: add byte count to __vm_enough_memory failure warning 2024-03-04 17:01:14 -08:00
vmalloc.c mm: vmalloc: refactor vmalloc_dump_obj() function 2024-02-23 17:48:21 -08:00
vmpressure.c eventfd: simplify eventfd_signal() 2023-11-28 14:08:38 +01:00
vmscan.c mm: madvise: pageout: ignore references rather than clearing young 2024-03-04 17:01:18 -08:00
vmstat.c mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER 2024-01-08 15:27:15 -08:00
workingset.c mm: ratelimit stat flush from workingset shrinker 2024-01-05 10:17:45 -08:00
z3fold.c mm/z3fold: fix the comment for __encode_handle() 2024-02-23 17:48:31 -08:00
zbud.c
…
zpool.c
…
zsmalloc.c mm/zsmalloc: remove get_zspage_mapping() 2024-02-23 17:48:32 -08:00
zswap.c mm/zswap: change zswap_pool kref to percpu_ref 2024-03-04 17:01:13 -08:00