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Mikulas Patocka d956fe6b3d dma-debug: change allocation mode from GFP_NOWAIT to GFP_ATIOMIC 
[ Upstream commit 84bc4f1dbbbb5f8aa68706a96711dccb28b518e5 ]

We observed the error "cacheline tracking ENOMEM, dma-debug disabled"
during a light system load (copying some files). The reason for this error
is that the dma_active_cacheline radix tree uses GFP_NOWAIT allocation -
so it can't access the emergency memory reserves and it fails as soon as
anybody reaches the watermark.

This patch changes GFP_NOWAIT to GFP_ATOMIC, so that it can access the
emergency memory reserves.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-14 16:53:45 +02:00
..
842
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fonts
Fonts: Replace discarded const qualifier
2020-11-10 10:29:03 +01:00
lz4
lib/lz4: make arrays static const, reduces object code size
2017-10-03 17:54:25 -07:00
lzo
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mpi
lib/mpi: Fix 64-bit MIPS build with Clang
2020-06-20 10:25:10 +02:00
raid6
lib/raid6/test: fix multiple definition linking error
2022-04-20 09:08:12 +02:00
reed_solomon
rslib: Fix handling of of caller provided syndrome
2019-07-31 07:28:30 +02:00
xz
lib/xz: Validate the value before assigning it to an enum variable
2021-11-26 11:40:28 +01:00
zlib_deflate
…
zlib_inflate
lib/zlib: remove outdated and incorrect pre-increment optimization
2020-06-25 15:41:57 +02:00
zstd
lib: Add zstd modules
2017-08-15 09:02:08 -07:00
.gitignore
…
argv_split.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
asn1_decoder.c
ASN.1: check for error from ASN1_OP_END__ACT actions
2017-12-14 09:52:52 +01:00
assoc_array.c
assoc_array: Fix BUG_ON during garbage collect
2022-06-06 08:20:56 +02:00
atomic64_test.c
lib/atomic64_test.c: add a test that atomic64_inc_not_zero() returns an int
2017-07-14 15:05:13 -07:00
atomic64.c
…
audit.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
bcd.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
bch.c
…
bitmap.c
bitmap: Add bitmap_alloc(), bitmap_zalloc() and bitmap_free()
2020-01-29 15:02:39 +01:00
bitrev.c
…
bsearch.c
kprobes: Prohibit probing on bsearch()
2019-04-05 22:31:33 +02:00
btree.c
…
bug.c
bug: Remove redundant condition check in report_bug
2021-05-22 10:57:32 +02:00
build_OID_registry
…
bust_spinlocks.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
chacha20.c
…
check_signature.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
checksum.c
…
clz_ctz.c
…
clz_tab.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cmdline.c
lib/cmdline.c: remove meaningless comment
2017-09-08 18:26:49 -07:00
compat_audit.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cordic.c
…
cpu_rmap.c
…
cpumask.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
crc4.c
lib: Add crc4 module
2017-06-09 11:52:07 +02:00
crc7.c
…
crc8.c
…
crc16.c
…
crc32.c
lib/crc32.c: fix trivial typo in preprocessor condition
2020-10-29 09:07:10 +01:00
crc32defs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
crc32test.c
lib/crc32test: remove extra local_irq_disable/enable
2020-11-10 10:29:04 +01:00
crc-ccitt.c
…
crc-itu-t.c
…
crc-t10dif.c
…
ctype.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debug_info.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debug_locks.c
locking/lockdep: Fix debug_locks off performance problem
2018-11-13 11:14:51 -08:00
debugobjects.c
debugobjects: avoid recursive calls with kmemleak
2018-12-17 09:28:54 +01:00
dec_and_lock.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
decompress_bunzip2.c
…
decompress_inflate.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
decompress_unlz4.c
lib/decompress_unlz4.c: correctly handle zero-padding around initrds.
2021-07-20 16:17:51 +02:00
decompress_unlzma.c
…
decompress_unlzo.c
…
decompress_unxz.c
lib/xz: Avoid overlapping memcpy() with invalid input with in-place decompression
2021-11-26 11:40:28 +01:00
decompress.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
devres.c
devres: allow const resource arguments
2020-01-27 14:46:39 +01:00
digsig.c
lib/digsig: fix dereference of NULL user_key_payload
2017-10-12 17:16:40 +01:00
div64.c
lib/div64.c: off by one in shift
2019-04-20 09:15:07 +02:00
dma-debug.c
dma-debug: change allocation mode from GFP_NOWAIT to GFP_ATIOMIC
2022-06-14 16:53:45 +02:00
dma-noop.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dma-virt.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dump_stack.c
dump_stack: avoid the livelock of the dump_lock
2019-11-12 19:18:01 +01:00
dynamic_debug.c
dyndbg: fix a BUG_ON in ddebug_describe_flags
2020-08-21 09:48:06 +02:00
dynamic_queue_limits.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
earlycpio.c
…
errseq.c
errseq: Always report a writeback error once
2018-05-09 09:51:54 +02:00
extable.c
lib/extable.c: use bsearch() library function in search_extable()
2017-07-10 16:32:35 -07:00
fault-inject.c
fault-inject: fix wrong should_fail() decision in task context
2017-08-10 15:54:06 -07:00
fdt_empty_tree.c
…
fdt_ro.c
…
fdt_rw.c
…
fdt_strerror.c
…
fdt_sw.c
…
fdt_wip.c
…
fdt.c
…
find_bit.c
uapi: rename ext2_swab() to swab() and share globally in swab.h
2020-04-24 08:00:31 +02:00
flex_array.c
…
flex_proportions.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
gcd.c
…
gen_crc32table.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
genalloc.c
lib/genalloc: fix the overflow when size is too big
2021-01-12 20:09:06 +01:00
glob.c
lib: add module support to glob tests
2017-02-24 17:46:57 -08:00
globtest.c
lib: add module support to glob tests
2017-02-24 17:46:57 -08:00
hexdump.c
hex2bin: fix access beyond string end
2022-05-12 12:17:06 +02:00
hweight.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
idr.c
idr: Fix idr_get_next race with idr_remove
2019-11-24 08:22:46 +01:00
inflate.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
int_sqrt.c
lib/int_sqrt: optimize initial value compute
2019-04-05 22:31:24 +02:00
interval_tree_test.c
lib/rbtree-test: lower default params
2018-12-17 09:28:55 +01:00
interval_tree.c
…
iomap_copy.c
…
iomap.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
iommu-common.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
iommu-helper.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ioremap.c
ioremap: Update pgtable free interfaces with addr
2018-08-17 21:01:11 +02:00
iov_iter.c
lib/iov_iter: initialize "flags" in new pipe_buffer
2022-02-23 11:57:35 +01:00
irq_poll.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq_regs.c
…
is_single_threaded.c
sched/headers: Prepare to move 'init_task' and 'init_thread_union' from <linux/sched.h> to <linux/sched/task.h>
2017-03-02 08:42:38 +01:00
jedec_ddr_data.c
…
kasprintf.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig
ARM: 9178/1: fix unmet dependency on BITREVERSE for HAVE_ARCH_BITREVERSE
2022-03-23 09:01:34 +01:00
Kconfig.debug
ARM: 8800/1: use choice for kernel unwinders
2021-12-22 09:18:01 +01:00
Kconfig.kasan
kasan: rework Kconfig settings
2018-02-16 20:23:04 +01:00
Kconfig.kgdb
lib: update location of kgdb documentation
2017-05-16 08:44:22 -03:00
Kconfig.ubsan
Kconfig: lib/Kconfig.ubsan fix reference to ubsan documentation
2016-12-14 16:04:08 -08:00
kfifo.c
Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()"
2020-01-27 14:46:44 +01:00
klist.c
scsi: klist: Make it safe to use klists in atomic context
2018-10-03 17:00:48 -07:00
kobject_uevent.c
kobject_uevent: remove warning in init_uevent_argv()
2021-05-22 10:57:41 +02:00
kobject.c
kobject: Replace strncpy with memcpy
2018-12-08 13:03:35 +01:00
kstrtox.c
lib: vsprintf: Fix handling of number field widths in vsscanf
2021-07-20 16:17:33 +02:00
kstrtox.h
lib: vsprintf: Fix handling of number field widths in vsscanf
2021-07-20 16:17:33 +02:00
lcm.c
…
libcrc32c.c
crypto: Work around deallocated stack frame reference gcc bug on sparc.
2017-06-08 17:36:03 +08:00
list_debug.c
bug: switch data corruption check to __must_check
2017-02-24 17:46:56 -08:00
list_sort.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
llist.c
…
locking-selftest-hardirq.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-mutex.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-rlock-hardirq.h
…
locking-selftest-rlock-softirq.h
…
locking-selftest-rlock.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-rsem.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-rtmutex.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-softirq.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-spin-hardirq.h
…
locking-selftest-spin-softirq.h
…
locking-selftest-spin.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-wlock-hardirq.h
…
locking-selftest-wlock-softirq.h
…
locking-selftest-wlock.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-wsem.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
lockref.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
lru_cache.c
…
Makefile
ubsan: build ubsan.c more conservatively
2020-05-27 16:43:08 +02:00
memory-notifier-error-inject.c
…
memweight.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
net_utils.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
netdev-notifier-error-inject.c
…
nlattr.c
net: fix nla_strcmp to handle more then one trailing null character
2021-05-22 10:57:39 +02:00
nmi_backtrace.c
printk/nmi: Prevent deadlock when accessing the main log buffer in NMI
2018-09-05 09:26:35 +02:00
nodemask.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
notifier-error-inject.c
…
notifier-error-inject.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
of-reconfig-notifier-error-inject.c
…
oid_registry.c
509: fix printing uninitialized stack memory when OID is empty
2018-02-25 11:08:01 +01:00
once.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
parman.c
lib: Introduce priority array area manager
2017-02-03 16:35:42 -05:00
parser.c
…
pci_iomap.c
…
percpu_counter.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
percpu_ida.c
sched/headers: Prepare to remove the <linux/gfp.h> include from <linux/sched.h>
2017-03-02 08:42:34 +01:00
percpu_test.c
…
percpu-refcount.c
percpu-refcount: support synchronous switch to atomic mode.
2017-03-22 19:18:43 -07:00
plist.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h>
2017-03-02 08:42:27 +01:00
pm-notifier-error-inject.c
…
prime_numbers.c
lib/prime_numbers: Suppress warn on kmalloc failure
2017-01-23 09:17:12 +01:00
radix-tree.c
idr: Fix idr_alloc_u32 on 32-bit systems
2019-12-05 15:36:53 +01:00
random32.c
random32: make prandom_u32() output unpredictable
2020-11-18 18:28:00 +01:00
ratelimit.c
lib/ratelimit.c: use deferred printk() version
2017-10-03 17:54:26 -07:00
rational.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rbtree_test.c
lib/rbtree-test: lower default params
2018-12-17 09:28:55 +01:00
rbtree.c
rbtree: add some additional comments for rebalancing cases
2017-09-08 18:26:48 -07:00
reciprocal_div.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
refcount.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rhashtable.c
rhashtable: Still do rehash when we get EEXIST
2019-04-03 06:25:09 +02:00
sbitmap.c
sbitmap: fix improper use of smp_mb__before_atomic()
2019-05-31 06:47:10 -07:00
scatterlist.c
sgl_alloc_order: fix memory leak
2020-11-05 11:06:58 +01:00
seq_buf.c
seq_buf: Fix overflow in seq_buf_putmem_hex()
2021-07-20 16:17:47 +02:00
sg_pool.c
…
sg_split.c
…
sha1.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
show_mem.c
lib/show_mem.c: teach show_mem to work with the given nodemask
2017-02-22 16:41:30 -08:00
siphash.c
siphash: use _unaligned version by default
2021-12-08 08:46:55 +01:00
smp_processor_id.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sort.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
stackdepot.c
lib: stackdepot: turn depot_lock spinlock to raw_spinlock
2021-05-22 10:57:43 +02:00
stmp_device.c
…
string_helpers.c
mm: treewide: remove GFP_TEMPORARY allocation flag
2017-09-13 18:53:16 -07:00
string.c
lib/string: Add strscpy_pad() function
2021-02-23 14:00:30 +01:00
strncpy_from_user.c
lib: Reduce user_access_begin() boundaries in strncpy_from_user() and strnlen_user()
2020-06-20 10:24:58 +02:00
strnlen_user.c
lib: Reduce user_access_begin() boundaries in strncpy_from_user() and strnlen_user()
2020-06-20 10:24:58 +02:00
swiotlb.c
Reinstate some of "swiotlb: rework "fix info leak with DMA_FROM_DEVICE""
2022-05-25 08:41:22 +02:00
syscall.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
test_bitmap.c
lib/test_bitmap.c: fix bitmap optimisation tests to report errors correctly
2018-05-22 18:53:58 +02:00
test_bpf.c
bpf: add also cbpf long jump test cases with heavy expansion
2021-10-17 10:08:32 +02:00
test_debug_virtual.c
lib: fix build failure in CONFIG_DEBUG_VIRTUAL test
2019-01-13 10:01:07 +01:00
test_firmware.c
test_firmware: fix a memory leak bug
2019-08-16 10:13:55 +02:00
test_hash.c
…
test_hexdump.c
test_hexdump: use memcpy instead of strncpy
2018-12-08 13:03:35 +01:00
test_kasan.c
lib/test_kasan.c: fix memory leak in kmalloc_oob_krealloc_more()
2020-02-14 16:32:08 -05:00
test_kmod.c
lib/test: use after free in register_test_dev_kmod()
2022-04-20 09:08:21 +02:00
test_list_sort.c
lib: add module support to linked list sorting tests
2017-05-08 17:15:10 -07:00
test_module.c
…
test_parman.c
lib: fix spelling mistake: "actualy" -> "actually"
2017-02-26 11:03:38 -05:00
test_printf.c
…
test_rhashtable.c
lib: test_rhashtable: Fix KASAN warning
2017-07-25 12:35:23 -07:00
test_siphash.c
siphash: implement HalfSipHash1-3 for hash tables
2017-01-09 13:58:57 -05:00
test_sort.c
Revert "lib/test_sort.c: make it explicitly non-modular"
2017-05-08 17:15:10 -07:00
test_static_key_base.c
…
test_static_keys.c
…
test_sysctl.c
test_sysctl: test against int proc_dointvec() array support
2017-07-12 16:26:00 -07:00
test_user_copy.c
lib: remove check for AVR32 arch in test_user_copy
2017-05-01 09:36:30 +02:00
test_uuid.c
uuid: fix incorrect uuid_equal conversion in test_uuid_test
2017-07-21 09:38:30 +02:00
test-kstrtox.c
…
test-string_helpers.c
…
textsearch.c
…
timerqueue.c
lib/timerqueue: Rely on rbtree semantics for next timer
2021-10-09 14:09:46 +02:00
ts_bm.c
…
ts_fsm.c
textsearch: fix typos in library helpers
2017-10-22 03:14:07 +01:00
ts_kmp.c
textsearch: fix typos in library helpers
2017-10-22 03:14:07 +01:00
ubsan.c
ubsan: Fix nasty -Wbuiltin-declaration-mismatch GCC-9 warnings
2019-05-10 17:53:08 +02:00
ubsan.h
lib/ubsan: add type mismatch handler for new GCC/Clang
2018-02-16 20:23:09 +01:00
ucs2_string.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
usercopy.c
Fix misannotated out-of-line _copy_to_user()
2018-03-19 08:42:56 +01:00
uuid.c
uuid: hoist uuid_is_null() helper from libnvdimm
2017-06-05 16:59:05 +02:00
vsprintf.c
lib: vsprintf: Fix handling of number field widths in vsscanf
2021-07-20 16:17:33 +02:00
win_minmax.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xxhash.c
lib: Add xxhash module
2017-08-15 09:02:07 -07:00