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Nicholas Piggin 13224794cb mm: remove quicklist page table caches 
Patch series "mm: remove quicklist page table caches".

A while ago Nicholas proposed to remove quicklist page table caches [1].

I've rebased his patch on the curren upstream and switched ia64 and sh to
use generic versions of PTE allocation.

[1] https://lore.kernel.org/linux-mm/20190711030339.20892-1-npiggin@gmail.com

This patch (of 3):

Remove page table allocator "quicklists".  These have been around for a
long time, but have not got much traction in the last decade and are only
used on ia64 and sh architectures.

The numbers in the initial commit look interesting but probably don't
apply anymore.  If anybody wants to resurrect this it's in the git
history, but it's unhelpful to have this code and divergent allocator
behaviour for minor archs.

Also it might be better to instead make more general improvements to page
allocator if this is still so slow.

Link: http://lkml.kernel.org/r/1565250728-21721-2-git-send-email-rppt@linux.ibm.com
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:09 -07:00
..
842 lib: 842: no need to check return value of debugfs_create functions 2019-07-03 16:57:17 +02:00
crypto crypto: sha256 - Remove sha256/224_init code duplication 2019-09-05 14:54:54 +10:00
dim lib/dim: Fix -Wunused-const-variable warnings 2019-07-25 11:34:39 -07:00
fonts fonts: Prefer a bigger font for high resolution screens 2019-06-20 10:11:24 +02:00
livepatch livepatch: Proper error handling in the shadow variables selftest 2019-02-06 11:01:57 +01:00
lz4 lz4: do not export static symbol 2019-09-20 09:06:26 -07:00
lzo treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
math treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
mpi lib/mpi: Eliminate unused umul_ppmm definitions for MIPS 2019-08-22 14:39:36 +10:00
raid6 lib/raid6: fix unnecessary rebuild of vpermxor*.c 2019-08-01 00:09:49 +09:00
reed_solomon rslib: Make some functions static 2019-07-02 08:41:37 +02:00
vdso lib/vdso/32: Provide legacy syscall fallbacks 2019-07-31 00:09:09 +02:00
xz treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
zlib_deflate treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
zlib_inflate treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
zstd lib/zstd/mem.h: replace __inline by inline 2019-09-15 19:42:16 +02:00
.gitignore lib: add crc64 calculation routines 2018-08-22 10:52:48 -07:00
argv_split.c
ashldi3.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120 2019-05-24 17:39:02 +02:00
ashrdi3.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120 2019-05-24 17:39:02 +02:00
asn1_decoder.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
assoc_array.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
atomic64_test.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
atomic64.c locking/atomic: Use s64 for atomic64 2019-06-03 12:32:56 +02:00
audit.c
bcd.c
bch.c lib/bch: fix possible stack overrun 2018-10-12 09:17:46 +02:00
bitmap.c cpumask: Implement cpumask_or_equal() 2019-07-25 15:47:37 +02:00
bitrev.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
bsearch.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372 2019-06-05 17:37:10 +02:00
btree.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 431 2019-06-05 17:37:16 +02:00
bucket_locks.c ila: make lockdep happy again 2018-08-16 12:14:42 -07:00
bug.c
build_OID_registry treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
bust_spinlocks.c s390: use common bust_spinlocks() 2018-11-30 07:22:05 +01:00
chacha.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
check_signature.c
checksum.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
clz_ctz.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
clz_tab.c
cmdline.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
cmpdi2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120 2019-05-24 17:39:02 +02:00
compat_audit.c
cpu_rmap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cpumask.c treewide: add checks for the return value of memblock_alloc*() 2019-03-12 10:04:02 -07:00
crc-ccitt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
crc-itu-t.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
crc-t10dif.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
crc4.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
crc7.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
crc8.c
crc16.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
crc32.c lib/crc32.c: mark crc32_le_base/__crc32c_le_base aliases as __pure 2019-02-15 19:50:07 +01:00
crc32defs.h lib/crc: Move polynomial definition to separate header 2018-07-27 19:04:33 +08:00
crc32test.c
crc64.c lib: add crc64 calculation routines 2018-08-22 10:52:48 -07:00
ctype.c
debug_info.c
debug_locks.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
debugobjects.c debugobjects: Move printk out of db->lock critical sections 2019-06-14 14:51:16 +02:00
dec_and_lock.c
decompress_bunzip2.c lib: Use existing define with polynomial 2018-07-27 19:16:38 +08:00
decompress_inflate.c
decompress_unlz4.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
decompress_unlzma.c
decompress_unlzo.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 95 2019-05-24 17:37:53 +02:00
decompress_unxz.c
decompress.c
devres.c devres: allow const resource arguments 2019-07-05 11:12:07 +09:00
digsig.c Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
dump_stack.c
dynamic_debug.c lib: dynamic_debug: no need to check return value of debugfs_create functions 2019-06-18 13:47:24 +02:00
dynamic_queue_limits.c
earlycpio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 283 2019-06-05 17:36:37 +02:00
error-inject.c treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively 2019-04-09 14:19:06 +02:00
errseq.c
extable.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
fault-inject.c fault-inject: clean up debugfs file creation logic 2019-06-18 13:47:24 +02:00
fdt_empty_tree.c
fdt_ro.c
fdt_rw.c
fdt_strerror.c
fdt_sw.c
fdt_wip.c
fdt.c
find_bit_benchmark.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295 2019-06-05 17:36:38 +02:00
find_bit.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
flex_proportions.c
gen_crc32table.c lib/crc: Use consistent naming for CRC-32 polynomials 2018-07-27 19:04:33 +08:00
gen_crc64table.c lib: don't depend on linux headers being installed. 2018-12-29 11:36:44 -08:00
genalloc.c dma-mapping updates for Linux 5.3 2019-07-12 15:13:55 -07:00
generic-radix-tree.c generic radix trees 2019-03-12 10:04:02 -07:00
glob.c
globtest.c
hexdump.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 501 2019-06-19 17:09:56 +02:00
hweight.c x86/kconfig: Disable CONFIG_GENERIC_HWEIGHT and remove __HAVE_ARCH_SW_HWEIGHT 2019-05-13 11:07:33 +02:00
idr.c idr: Fix idr_get_next race with idr_remove 2019-06-02 23:00:24 -04:00
inflate.c
interval_tree_test.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
interval_tree.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
iomap_copy.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 504 2019-06-19 17:09:56 +02:00
iomap.c iomap: introduce io{read|write}64_{lo_hi|hi_lo} 2019-01-22 13:39:59 +01:00
iommu-helper.c
ioremap.c mm/ioremap: probe platform for p4d huge map support 2019-07-16 19:23:22 -07:00
iov_iter.c mm: introduce page_size() 2019-09-24 15:54:08 -07:00
irq_poll.c lib/irq_poll: Support schedules in non-interrupt contexts 2019-02-19 20:52:19 -07:00
irq_regs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
is_single_threaded.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
kasprintf.c
Kconfig lib/Kconfig: fix OBJAGG in lib/ menu structure 2019-09-11 09:30:10 +01:00
Kconfig.debug mm/kmemleak: increase the max mem pool to 1M 2019-09-24 15:54:07 -07:00
Kconfig.kasan kasan: add memory corruption identification for software tag-based mode 2019-09-24 15:54:07 -07:00
Kconfig.kgdb treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Kconfig.ubsan treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
kfifo.c Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()" 2019-08-30 18:47:15 -07:00
klist.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 248 2019-06-19 17:09:08 +02:00
kobject_uevent.c kobject: Don't trigger kobject_uevent(KOBJ_REMOVE) twice. 2019-04-01 07:37:12 +02:00
kobject.c lib : kobject: fix refcount imblance on kobject_rename 2019-06-19 19:27:39 +02:00
kstrtox.c lib/kstrtox.c: delete unnecessary casts 2018-10-31 08:54:13 -07:00
kstrtox.h
libcrc32c.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
list_debug.c
list_sort.c lib: list_sort.c: add a blank line to avoid kernel-doc warnings 2019-06-20 14:07:34 -06:00
llist.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
locking-selftest-hardirq.h
locking-selftest-mutex.h
locking-selftest-rlock-hardirq.h
locking-selftest-rlock-softirq.h
locking-selftest-rlock.h
locking-selftest-rsem.h
locking-selftest-rtmutex.h
locking-selftest-softirq.h
locking-selftest-spin-hardirq.h
locking-selftest-spin-softirq.h
locking-selftest-spin.h
locking-selftest-wlock-hardirq.h
locking-selftest-wlock-softirq.h
locking-selftest-wlock.h
locking-selftest-wsem.h
locking-selftest.c locking/lockdep: Make it easy to detect whether or not inside a selftest 2019-02-28 07:55:43 +01:00
lockref.c lockref: Limit number of cmpxchg loop retries 2019-06-07 13:15:06 -07:00
logic_pio.c lib: logic_pio: Add logic_pio_unregister_range() 2019-08-13 14:54:24 +08:00
lru_cache.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 91 2019-05-24 17:37:53 +02:00
lshrdi3.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120 2019-05-24 17:39:02 +02:00
Makefile Merge branch 'x86/cleanups' into x86/cpu, to pick up dependent changes 2019-09-06 07:30:23 +02:00
memcat_p.c lib: Fix ia64 bootloader linkage 2018-10-16 13:45:44 +02:00
memory-notifier-error-inject.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
memweight.c
muldi3.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120 2019-05-24 17:39:02 +02:00
net_utils.c
netdev-notifier-error-inject.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nlattr.c netlink: add validation of NLA_F_NESTED flag 2019-05-04 01:27:11 -04:00
nmi_backtrace.c
nodemask.c
notifier-error-inject.c lib: notifier-error-inject: no need to check return value of debugfs_create functions 2019-07-03 16:57:18 +02:00
notifier-error-inject.h
objagg.c lib: objagg: Use struct_size() in kzalloc() 2019-06-05 19:03:39 -07:00
of-reconfig-notifier-error-inject.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
oid_registry.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
once.c
packing.c lib: Add support for generic packing operations 2019-05-03 10:49:17 -04:00
parman.c
parser.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230 2019-06-19 17:09:06 +02:00
pci_iomap.c
percpu_counter.c notifier: Remove notifier header file wherever not used 2018-08-30 12:56:40 +02:00
percpu_test.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
percpu-refcount.c Merge branch 'for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu 2019-07-14 16:17:18 -07:00
plist.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 10 2019-05-21 11:28:45 +02:00
pm-notifier-error-inject.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
radix-tree.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 153 2019-05-30 11:26:32 -07:00
random32.c lib: Correct comment of prandom_seed 2019-05-17 11:32:47 -07:00
ratelimit.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428 2019-06-05 17:37:16 +02:00
rbtree_test.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
rbtree.c lib/rbtree: avoid generating code twice for the cached versions 2019-07-16 19:23:22 -07:00
refcount.c refcount_t: Add ACQUIRE ordering on success for dec(sub)_and_test() variants 2019-02-04 09:03:31 +01:00
rhashtable.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
sbitmap.c sbitmap: Replace cmpxchg with xchg 2019-07-01 11:57:12 -06:00
scatterlist.c SCSI sg on 20190709 2019-07-11 15:17:41 -07:00
seq_buf.c seq_buf: Use size_t for len in seq_buf_puts() 2018-12-22 08:21:03 -05:00
sg_pool.c SCSI sg on 20190709 2019-07-11 15:17:41 -07:00
sg_split.c lib: scatterlist: Fix to support no mapped sg 2019-08-08 07:45:01 -06:00
sha1.c
show_mem.c mm: remove quicklist page table caches 2019-09-24 15:54:09 -07:00
siphash.c lib/siphash.c: mark expected switch fall-throughs 2019-04-25 19:47:24 +02:00
smp_processor_id.c sched/core: Provide a pointer to the valid CPU mask 2019-06-03 11:49:37 +02:00
sort.c media: lib/sort.c: implement sort() variant taking context argument 2019-08-19 13:14:53 -03:00
stackdepot.c lib/stackdepot: Fix outdated comments 2019-08-19 12:57:28 +02:00
stmp_device.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
string_helpers.c lib/string_helpers: fix some kerneldoc warnings 2019-07-16 19:23:22 -07:00
string.c lib/string.c: allow searching for NUL with strnchr 2019-07-16 19:23:22 -07:00
strncpy_from_user.c mm/uaccess: Use 'unsigned long' to placate UBSAN warnings on older GCC versions 2019-04-24 12:19:45 +02:00
strnlen_user.c mm/uaccess: Use 'unsigned long' to placate UBSAN warnings on older GCC versions 2019-04-24 12:19:45 +02:00
syscall.c syscalls: Remove start and number from syscall_get_arguments() args 2019-04-05 09:26:43 -04:00
test_bitfield.c
test_bitmap.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
test_blackhole_dev.c blackhole_dev: add a selftest 2019-07-01 19:34:46 -07:00
test_bpf.c test_bpf: Fix a new clang warning about xor-ing two numbers 2019-08-20 17:07:29 +02:00
test_debug_virtual.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
test_firmware.c test_firmware: add support for request_firmware_into_buf 2019-09-04 13:31:28 +02:00
test_hash.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
test_hexdump.c test_hexdump: use memcpy instead of strncpy 2018-11-30 12:13:15 -08:00
test_ida.c test_ida: Fix lockdep warning 2018-10-15 16:31:29 -04:00
test_kasan.c lib/test_kasan.c: add roundtrip tests 2019-09-24 15:54:08 -07:00
test_kmod.c lib/test_kmod.c: potential double free in error handling 2019-02-01 15:46:23 -08:00
test_list_sort.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
test_memcat_p.c lib: Fix ia64 bootloader linkage 2018-10-16 13:45:44 +02:00
test_meminit.c lib/test_meminit.c: use GFP_ATOMIC in RCU critical section 2019-08-03 07:02:01 -07:00
test_module.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
test_objagg.c test_objagg: Uninitialized variable in error handling 2019-02-13 22:13:29 -08:00
test_overflow.c lib/test_overflow.c: avoid tainting the kernel and fix wrap size 2019-07-16 19:23:22 -07:00
test_parman.c
test_printf.c lib/test_printf: Remove obvious comments from %pd and %pD tests 2019-08-15 17:03:16 +02:00
test_rhashtable.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
test_siphash.c
test_sort.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
test_stackinit.c lib/test_stackinit: Handle Clang auto-initialization pattern 2019-06-05 07:36:43 -07:00
test_static_key_base.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
test_static_keys.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
test_string.c lib/test_string.c: add some testcases for strchr and strnchr 2019-07-16 19:23:22 -07:00
test_strscpy.c lib: Add test module for strscpy_pad 2019-04-08 16:44:21 -06:00
test_sysctl.c tools/testing/selftests/sysctl/sysctl.sh: add proc_do_large_bitmap() test case 2019-05-14 19:52:51 -07:00
test_ubsan.c lib/test_ubsan.c: VLA no longer used in kernel 2019-03-07 18:32:00 -08:00
test_user_copy.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
test_uuid.c
test_vmalloc.c lib/test_vmalloc.c:test_func(): eliminate local `ret' 2019-05-14 19:52:49 -07:00
test_xarray.c XArray tests: Add check_insert 2019-06-02 23:00:24 -04:00
test-kstrtox.c
test-string_helpers.c
textsearch.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
timerqueue.c lib/timerqueue: Rely on rbtree semantics for next timer 2019-07-24 17:38:01 +02:00
ts_bm.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ts_fsm.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ts_kmp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ubsan.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ubsan.h ubsan: Remove vla bound checks. 2019-05-06 11:12:09 -07:00
ucmpdi2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 120 2019-05-24 17:39:02 +02:00
ucs2_string.c
usercopy.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
uuid.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
vsprintf.c vsprintf: Prevent crash when dereferencing invalid pointers for %pD 2019-08-15 16:40:10 +02:00
win_minmax.c
xarray.c mm: fix page cache convergence regression 2019-05-31 13:52:41 -04:00
xxhash.c