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f9c69d6346
linux/mm
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Muchun Song f9c69d6346 mm: memcontrol: reuse memory cgroup ID for kmem ID 
There are two idrs being used by memory cgroup, one is for kmem ID,
another is for memory cgroup ID.  The maximum ID of both is 64Ki.  Both
of them can limit the total number of memory cgroups.  Actually, we can
reuse memory cgroup ID for kmem ID to simplify the code.

Link: https://lkml.kernel.org/r/20220228122126.37293-14-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Cc: Alex Shi <alexs@kernel.org>
Cc: Anna Schumaker <Anna.Schumaker@Netapp.com>
Cc: Chao Yu <chao@kernel.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Fam Zheng <fam.zheng@bytedance.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kari Argillander <kari.argillander@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Xiongchun Duan <duanxiongchun@bytedance.com>
Cc: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-03-22 15:57:03 -07:00
..
damon mm/damon: hide kernel pointer from tracepoint event 2022-01-15 16:30:33 +02:00
kasan lib/stackdepot: always do filter_irq_stacks() in stack_depot_save() 2022-01-22 08:33:38 +02:00
kfence kfence: make test case compatible with run time set sample interval 2022-02-11 17:55:00 -08:00
backing-dev.c remove congestion tracking framework 2022-03-22 15:57:01 -07:00
balloon_compaction.c mm: fix typos in comments 2021-05-07 00:26:35 -07:00
bootmem_info.c bootmem: Use page->index instead of page->freelist 2022-01-06 12:27:03 +01:00
cma_debug.c mm/cma: change cma mutex to irq safe spinlock 2021-05-05 11:27:21 -07:00
cma_sysfs.c mm: cma: support sysfs 2021-05-05 11:27:24 -07:00
cma.c memblock: rename memblock_free to memblock_phys_free 2021-11-06 13:30:41 -07:00
cma.h mm: cma: support sysfs 2021-05-05 11:27:24 -07:00
compaction.c mm: compaction: fix the migration stats in trace_mm_compaction_migratepages() 2022-01-15 16:30:30 +02:00
debug_page_ref.c
debug_vm_pgtable.c mm/debug_vm_pgtable: remove pte entry from the page table 2022-02-04 09:25:04 -08:00
debug.c mm,fs: split dump_mapping() out from dump_page() 2022-01-15 16:30:26 +02:00
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.c: remove redundant early_ioremap_shutdown() 2021-09-08 11:50:24 -07:00
fadvise.c remove inode_congested() 2022-03-22 15:57:01 -07:00
failslab.c
filemap.c tmpfs: do not allocate pages on read 2022-03-22 15:57:02 -07:00
folio-compat.c filemap: Add filemap_release_folio() 2022-01-04 13:15:34 -05:00
frontswap.c frontswap: remove support for multiple ops 2022-01-22 08:33:38 +02:00
gup_test.c selftests/vm: gup_test: test faulting in kernel, and verify pinnable pages 2021-05-05 11:27:26 -07:00
gup_test.h selftests/vm: gup_test: fix test flag 2021-05-05 11:27:26 -07:00
gup.c mm/gup: remove unused get_user_pages_locked() 2022-03-22 15:57:01 -07:00
highmem.c Fixes for 5.16 folios: 2021-11-25 10:13:56 -08:00
hmm.c mm/hmm.c: allow VM_MIXEDMAP to work with hmm_range_fault 2022-01-15 16:30:31 +02:00
huge_memory.c Merge branch 'akpm' (patches from Andrew) 2022-01-15 20:37:06 +02:00
hugetlb_cgroup.c hugetlb: add hugetlb.*.numa_stat file 2022-01-15 16:30:29 +02:00
hugetlb_vmemmap.c mm: hugetlb: introduce CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON 2021-06-30 20:47:26 -07:00
hugetlb_vmemmap.h mm: hugetlb: introduce nr_free_vmemmap_pages in the struct hstate 2021-06-30 20:47:25 -07:00
hugetlb.c hugetlbfs: fix a truncation issue in hugepages parameter 2022-02-26 09:51:17 -08:00
hwpoison-inject.c mm: hwpoison: don't drop slab caches for offlining non-LRU page 2021-09-03 09:58:15 -07:00
init-mm.c mm: add setup_initial_init_mm() helper 2021-07-08 11:48:21 -07:00
internal.h Merge branch 'akpm' (patches from Andrew) 2022-01-15 20:37:06 +02:00
interval_tree.c mm/interval_tree: add comments to improve code readability 2021-04-30 11:20:38 -07:00
io-mapping.c mm: add a io_mapping_map_user helper 2021-04-30 11:20:39 -07:00
ioremap.c mm: move ioremap_page_range to vmalloc.c 2021-09-08 11:50:24 -07:00
Kconfig mm: hide the FRONTSWAP Kconfig symbol 2022-01-22 08:33:38 +02:00
Kconfig.debug mm: page table check 2022-01-15 16:30:28 +02:00
khugepaged.c mm/page_table_check: check entries at pmd levels 2022-02-04 09:25:04 -08:00
kmemleak.c mm/kmemleak: avoid scanning potential huge holes 2022-02-04 09:25:05 -08:00
ksm.c mm: ksm: fix use-after-free kasan report in ksm_might_need_to_copy 2022-01-15 16:30:31 +02:00
list_lru.c mm: list_lru: replace linear array with xarray 2022-03-22 15:57:03 -07:00
maccess.c ARM: 9115/1: mm/maccess: fix unaligned copy_{from,to}_kernel_nofault 2021-08-20 11:39:25 +01:00
madvise.c mm: fix use-after-free when anon vma name is used after vma is freed 2022-03-05 11:08:32 -08:00
Makefile mm: remove cleancache 2022-01-22 08:33:38 +02:00
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: use kfree() to release kmalloced memblock regions 2022-02-20 08:45:39 +02:00
memcontrol.c mm: memcontrol: reuse memory cgroup ID for kmem ID 2022-03-22 15:57:03 -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 treewide: Add missing includes masked by cgroup -> bpf dependency 2021-12-03 10:58:13 -08:00
memory-failure.c memory-failure: fetch compound_head after pgmap_pfn_valid() 2022-01-30 09:56:58 +02:00
memory.c Merge branch 'akpm' (patches from Andrew) 2022-01-20 10:41:01 +02:00
mempolicy.c mm: change lookup_node() to use get_user_pages_fast() 2022-03-22 15:57:01 -07:00
mempool.c mm: remove spurious blkdev.h includes 2021-10-18 06:17:01 -06:00
memremap.c mm/memremap: avoid calling kasan_remove_zero_shadow() for device private memory 2022-03-22 15:57:01 -07:00
memtest.c
migrate.c mm/gup: follow_pfn_pte(): -EEXIST cleanup 2022-03-22 15:57:01 -07:00
mincore.c
mlock.c mm: refactor vm_area_struct::anon_vma_name usage code 2022-03-05 11:08:32 -08:00
mm_init.c include/linux/page-flags-layout.h: cleanups 2021-04-30 11:20:42 -07:00
mmap_lock.c mm: mmap_lock: fix disabling preemption directly 2021-07-23 17:43:28 -07:00
mmap.c mm: refactor vm_area_struct::anon_vma_name usage code 2022-03-05 11:08:32 -08:00
mmu_gather.c mm: move tlb_flush_pending inline helpers to mm_inline.h 2022-01-15 16:30:27 +02:00
mmu_notifier.c mm/mmu_notifiers: ensure range_end() is paired with range_start() 2021-03-25 09:22:55 -07:00
mmzone.c
mprotect.c mm: refactor vm_area_struct::anon_vma_name usage code 2022-03-05 11:08:32 -08:00
mremap.c mm, hugepages: add mremap() support for hugepage backed vma 2021-11-06 13:30:39 -07:00
msync.c mm/msync: exit early when the flags is an MS_ASYNC and start < vm_start 2021-04-30 11:20:37 -07:00
nommu.c Merge branch 'akpm' (patches from Andrew) 2021-11-06 14:08:17 -07:00
oom_kill.c Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
page_alloc.c Merge branch 'akpm' (patches from Andrew) 2022-01-20 10:41:01 +02:00
page_counter.c mm/page_counter: remove an incorrect call to propagate_protected_usage() 2022-01-15 16:30:27 +02:00
page_ext.c mm: make some vars and functions static or __init 2022-01-15 16:30:31 +02:00
page_idle.c mm/idle_page_tracking: make PG_idle reusable 2021-09-08 11:50:24 -07:00
page_io.c delayacct: support swapin delay accounting for swapping without blkio 2022-01-20 08:52:55 +02:00
page_isolation.c Revert "mm/page_isolation: unset migratetype directly for non Buddy page" 2022-02-04 09:25:04 -08:00
page_owner.c lib/stackdepot: allow optional init and stack_table allocation by kvmalloc() 2022-01-22 08:33:37 +02:00
page_poison.c mm: page_poison: print page info when corruption is caught 2021-04-30 11:20:36 -07:00
page_reporting.c mm/page_reporting: allow driver to specify reporting order 2021-06-29 10:53:47 -07:00
page_reporting.h mm/page_reporting: export reporting order as module parameter 2021-06-29 10:53:47 -07:00
page_table_check.c mm/page_table_check: check entries at pmd levels 2022-02-04 09:25:04 -08:00
page_vma_mapped.c mm: device exclusive memory access 2021-07-01 11:06:03 -07:00
page-writeback.c mm/writeback: minor clean up for highmem_dirtyable_memory 2022-03-22 15:57:01 -07:00
pagewalk.c mm: pagewalk: fix walk for hugepage tables 2021-06-29 10:53:49 -07:00
percpu-internal.h mm: memcg/percpu: account extra objcg space to memory cgroups 2022-01-15 16:30:31 +02:00
percpu-km.c percpu: flush tlb in pcpu_reclaim_populated() 2021-07-04 18:30:17 +00:00
percpu-stats.c percpu: rework memcg accounting 2021-06-05 20:43:15 +00:00
percpu-vm.c percpu: flush tlb in pcpu_reclaim_populated() 2021-07-04 18:30:17 +00:00
percpu.c bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
pgalloc-track.h mm: fix typos in comments 2021-05-07 00:26:35 -07:00
pgtable-generic.c mm: move tlb_flush_pending inline helpers to mm_inline.h 2022-01-15 16:30:27 +02:00
process_vm_access.c mm/process_vm_access.c: remove duplicate include 2021-05-05 11:27:27 -07:00
ptdump.c mm: ptdump: fix build failure 2021-04-16 16:10:37 -07:00
readahead.c remove inode_congested() 2022-03-22 15:57:01 -07:00
rmap.c mm/rmap: fix potential batched TLB flush race 2022-01-15 16:30:31 +02:00
rodata_test.c
secretmem.c mm/secretmem: avoid letting secretmem_users drop to zero 2021-10-28 17:18:55 -07:00
shmem.c fs: allocate inode by using alloc_inode_sb() 2022-03-22 15:57:03 -07:00
shuffle.c mm: eliminate "expecting prototype" kernel-doc warnings 2021-04-16 16:10:36 -07:00
shuffle.h mm/shuffle: fix section mismatch warning 2021-05-22 15:09:07 -10:00
slab_common.c Merge branch 'akpm' (patches from Andrew) 2022-01-15 20:37:06 +02:00
slab.c mm: introduce kmem_cache_alloc_lru 2022-03-22 15:57:03 -07:00
slab.h mm: introduce kmem_cache_alloc_lru 2022-03-22 15:57:03 -07:00
slob.c mm: introduce kmem_cache_alloc_lru 2022-03-22 15:57:03 -07:00
slub.c mm: introduce kmem_cache_alloc_lru 2022-03-22 15:57:03 -07:00
sparse-vmemmap.c mm: remove redundant smp_wmb() 2021-11-06 13:30:36 -07:00
sparse.c bootmem: Use page->index instead of page->freelist 2022-01-06 12:27:03 +01:00
swap_cgroup.c
swap_slots.c treewide: Add missing includes masked by cgroup -> bpf dependency 2021-12-03 10:58:13 -08:00
swap_state.c mm: swap: get rid of livelock in swapin readahead 2022-03-17 11:02:13 -07:00
swap.c mm/swap: fix confusing comment in folio_mark_accessed 2022-03-22 15:57:01 -07:00
swapfile.c mm: mark swap_lock and swap_active_head static 2022-01-22 08:33:38 +02:00
truncate.c mm: remove cleancache 2022-01-22 08:33:38 +02:00
usercopy.c mm: Convert check_heap_object() to use struct slab 2022-01-06 12:25:51 +01:00
userfaultfd.c mm: shmem: don't truncate page if memory failure happens 2022-01-15 16:30:26 +02:00
util.c mm: Consider __GFP_NOWARN flag for oversized kvmalloc() calls 2022-03-04 10:00:37 -08:00
vmacache.c
vmalloc.c mm/vmalloc: be more explicit about supported gfp flags. 2022-01-15 16:30:28 +02:00
vmpressure.c mm/vmpressure: fix data-race with memcg->socket_pressure 2021-11-06 13:30:40 -07:00
vmscan.c remove bdi_congested() and wb_congested() and related functions 2022-03-22 15:57:01 -07:00
vmstat.c mm/vmstat: add events for THP max_ptes_* exceeds 2022-01-15 16:30:29 +02:00
workingset.c xarray: use kmem_cache_alloc_lru to allocate xa_node 2022-03-22 15:57:03 -07:00
z3fold.c mm/z3fold: add kerneldoc fields for z3fold_pool 2021-07-01 11:06:03 -07:00
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: replace get_cpu_var with local_lock 2022-01-22 08:33:37 +02:00
zswap.c frontswap: remove support for multiple ops 2022-01-22 08:33:38 +02:00