| /linux/Documentation/admin-guide/cgroup-v1/ |
| H A D | pids.rst | 6 --------
9 new tasks from being fork()'d or clone()'d after a certain limit is reached.
11 Since it is trivial to hit the task limit without hitting any kmemcg limits in
17 -----
21 number of processes currently in the cgroup is given by pids.current.
24 to have pids.current > pids.max. This can be done by either setting the limit to
25 be smaller than pids.current, or attaching enough processes to the cgroup such
26 that pids.current > pids.max. However, it is not possible to violate a cgroup
27 policy through fork() or clone(). fork() and clone() will return -EAGAIN if the
30 To set a cgroup to have no limit, set pids.max to "max". This is the default for
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| H A D | hugetlb.rst | 7 # mount -t cgroup -o hugetlb none /sys/fs/cgroup
19 The above steps create a new group g1 and move the current shell
24 …hugetlb.<hugepagesize>.rsvd.limit_in_bytes # set/show limit of "hugepagesize" hugetlb r…
25 …rsvd.max_usage_in_bytes # show max "hugepagesize" hugetlb reservations and no-reserve faults
26 …hugetlb.<hugepagesize>.rsvd.usage_in_bytes # show current reservations and no-reserve f…
27 ….failcnt # show the number of allocation failure due to HugeTLB reservation limit
28 …hugetlb.<hugepagesize>.limit_in_bytes # set/show limit of "hugepagesize" hugetlb f…
30 …hugetlb.<hugepagesize>.usage_in_bytes # show current usage for "hugepagesize" huge…
31 …>.failcnt # show the number of allocation failure due to HugeTLB usage limit
75 The HugeTLB controller allows users to limit the HugeTLB usage (page fault) per
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| /linux/Documentation/devicetree/bindings/power/supply/ |
| H A D | rohm,bd99954.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Matti Vaittinen <mazziesaccount@gmail.com>
11 - Markus Laine <markus.laine@fi.rohmeurope.com>
12 - Mikko Mutanen <mikko.mutanen@fi.rohmeurope.com>
15 The ROHM BD99954 is a Battery Management LSI for 1-4 cell Lithium-Ion
16 secondary battery intended to be used in space-constraint equipment such
18 provides a Dual-source Battery Charger, two port BC1.2 detection and a
21 $ref: power-supply.yaml#
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| H A D | qcom,pm8941-charger.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/qcom,pm8941-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Switch-Mode Battery Charger and Boost
10 - Sebastian Reichel <sre@kernel.org>
15 - qcom,pm8226-charger
16 - qcom,pm8941-charger
23 - description: charge done
24 - description: charge fast mode
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| H A D | summit,smb347-charger.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/supply/summit,smb347-charger.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - David Heidelberg <david@ixit.cz>
11 - Dmitry Osipenko <digetx@gmail.com>
16 - summit,smb345
17 - summit,smb347
18 - summit,smb358
26 monitored-battery: true
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| H A D | x-powers,axp20x-usb-power-supply.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/power/supply/x-powers,axp20x-usb-power-supply.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: AXP20x USB power-supply
12 current to 100mA, unlike the latter.
15 - Chen-Yu Tsai <wens@csie.org>
16 - Sebastian Reichel <sre@kernel.org>
21 - enum:
22 - x-powers,axp192-usb-power-supply
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| H A D | bq25980.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Andrew Davis <afd@ti.com>
15 for use in high-power density portable electronics. These inductorless
20 - $ref: power-supply.yaml#
25 - ti,bq25980
26 - ti,bq25975
27 - ti,bq25960
32 ti,watchdog-timeout-ms:
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| H A D | bq256xx.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Andrew Davis <afd@ti.com>
14 The bq256xx devices are a family of highly-integrated battery charge
15 management and system power management ICs for single cell Li-ion and Li-
19 - https://www.ti.com/lit/ds/symlink/bq25600.pdf
20 - https://www.ti.com/lit/ds/symlink/bq25601.pdf
21 - https://www.ti.com/lit/ds/symlink/bq25600d.pdf
22 - https://www.ti.com/lit/ds/symlink/bq25601d.pdf
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| H A D | battery.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sebastian Reichel <sre@kernel.org>
14 In smart batteries, these are typically stored in non-volatile memory
16 no appropriate non-volatile memory, or it is unprogrammed/incorrect.
27 Batteries must be referenced by chargers and/or fuel-gauges using a phandle.
28 The phandle's property should be named "monitored-battery".
32 const: simple-battery
34 device-chemistry:
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| H A D | bq2415x.yaml | 1 # SPDX-License-Identifier: GPL-2.0
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: TI bq2415x Li-Ion Charger
11 - Sebastian Reichel <sre@kernel.org>
14 - $ref: power-supply.yaml#
19 - ti,bq24150
20 - ti,bq24150a
21 - ti,bq24151
22 - ti,bq24151a
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| /linux/Documentation/power/regulator/ |
| H A D | overview.rst | 2 Linux voltage and current regulator framework
9 voltage and current regulators.
13 regulators (where voltage output is controllable) and current sinks (where
14 current limit is controllable).
26 - Regulator
27 - Electronic device that supplies power to other devices.
29 some can control their output voltage and or current.
31 Input Voltage -> Regulator -> Output Voltage
34 - PMIC
35 - Power Management IC. An IC that contains numerous
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| /linux/fs/quota/ |
| H A D | quotaio_v2.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
13 * Definitions of magics and versions of current quota files
35 * (as it appears on disk) - the file is a radix tree whose leaves point
40 __le32 dqb_ihardlimit; /* absolute limit on allocated inodes */
41 __le32 dqb_isoftlimit; /* preferred inode limit */
42 __le32 dqb_curinodes; /* current # allocated inodes */
43 __le32 dqb_bhardlimit; /* absolute limit on disk space (in QUOTABLOCK_SIZE) */
44 __le32 dqb_bsoftlimit; /* preferred limit on disk space (in QUOTABLOCK_SIZE) */
45 __le64 dqb_curspace; /* current space occupied (in bytes) */
46 __le64 dqb_btime; /* time limit for excessive disk use */
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| H A D | quotaio_v1.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
11 * their soft limit, it is reset when they go below their soft limit.
18 * (as it appears on disk) - the file is an array of these structures
22 __u32 dqb_bhardlimit; /* absolute limit on disk blks alloc */
23 __u32 dqb_bsoftlimit; /* preferred limit on disk blks */
24 __u32 dqb_curblocks; /* current block count */
25 __u32 dqb_ihardlimit; /* absolute limit on allocated inodes */
26 __u32 dqb_isoftlimit; /* preferred inode limit */
27 __u32 dqb_curinodes; /* current # allocated inodes */
29 /* below fields differ in length on 32-bit vs 64-bit architectures */
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| /linux/Documentation/devicetree/bindings/leds/backlight/ |
| H A D | qcom-wled.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/qcom-wled.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bjorn Andersson <andersson@kernel.org>
11 - Kiran Gunda <quic_kgunda@quicinc.com>
21 - qcom,pm8941-wled
22 - qcom,pmi8950-wled
23 - qcom,pmi8994-wled
24 - qcom,pmi8998-wled
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| /linux/Documentation/hwmon/ |
| H A D | ina209.rst | 6 * Burr-Brown / Texas Instruments INA209
10 Addresses scanned: -
16 - Paul Hays <Paul.Hays@cattail.ca>
17 - Ira W. Snyder <iws@ovro.caltech.edu>
18 - Guenter Roeck <linux@roeck-us.net>
22 -----------
24 The TI / Burr-Brown INA209 monitors voltage, current, and power on the high side
27 calibration multiplier to scale the displayed current and power values.
31 -------------
44 in0_max shunt voltage max alarm limit (mV)
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| H A D | max16065.rst | 11 Addresses scanned: -
15 http://datasheets.maxim-ic.com/en/ds/MAX16065-MAX16066.pdf
21 Addresses scanned: -
25 http://datasheets.maxim-ic.com/en/ds/MAX16067.pdf
31 Addresses scanned: -
35 http://datasheets.maxim-ic.com/en/ds/MAX16068.pdf
41 Addresses scanned: -
45 http://datasheets.maxim-ic.com/en/ds/MAX16070-MAX16071.pdf
47 Author: Guenter Roeck <linux@roeck-us.net>
51 -----------
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| H A D | acbel-fsg032.rst | 1 Kernel driver acbel-fsg032
6 * ACBEL FSG032-00xG power supply.
11 -----------
13 This driver supports ACBEL FSG032-00xG Power Supply. This driver
17 -----------
19 This driver does not auto-detect devices. You will have to instantiate the
20 devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
24 -------------
29 curr1_crit Critical maximum current.
30 curr1_crit_alarm Input current critical alarm.
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| H A D | ina3221.rst | 10 Addresses: I2C 0x40 - 0x43
19 -----------
21 The Texas Instruments INA3221 monitors voltage, current, and power on the high
23 and supply voltage, with programmable conversion times and averaging, current
24 and power are calculated host-side from these.
27 -------------
33 curr[123]_input Current(mA) measurement channels
35 curr[123]_crit Critical alert current(mA) setting, activates the
36 corresponding alarm when the respective current
38 curr[123]_crit_alarm Critical alert current limit exceeded
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| /linux/kernel/cgroup/ |
| H A D | pids.c | 1 // SPDX-License-Identifier: GPL-2.0-only
6 * after a certain limit is reached.
8 * Since it is trivial to hit the task limit without hitting any kmemcg limits
15 * number of processes currently in the cgroup is given by pids.current.
17 * possible to have pids.current > pids.max. However, it is not possible to
18 * violate a cgroup policy through fork(). fork() will return -EAGAIN if forking
21 * To set a cgroup to have no limit, set pids.max to "max". This is the default
23 * stringent limit in the hierarchy is followed).
25 * pids.current tracks all child cgroup hierarchies, so parent/pids.current is
26 * a superset of parent/child/pids.current.
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| /linux/arch/arm64/kernel/ |
| H A D | signal.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 1995-2009 Russell King
12 #include <linux/irq-entry-common.h>
26 #include <asm/debug-monitors.h>
43 * Do a signal return; undo the signal stack. These are aligned to 128-bit.
55 unsigned long limit; /* largest allowed size */ member
71 * Holds any EL0-controlled state that influences unprivileged memory accesses.
76 * itself also expects a well-defined state when entered.
97 ua_state->por_el0 = read_sysreg_s(SYS_POR_EL0); in save_reset_user_access_state()
100 * No ISB required as we can tolerate spurious Overlay faults - in save_reset_user_access_state()
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| /linux/Documentation/power/ |
| H A D | power_supply_class.rst | 8 properties to user-space.
60 +--------------------------------------------------------------------------+
61 | **Charge/Energy/Capacity - how to not confuse** |
62 +--------------------------------------------------------------------------+
66 | - `CHARGE_*` |
68 | - `ENERGY_*` |
70 | - `CAPACITY` |
72 +--------------------------------------------------------------------------+
122 Reports the current measured during boot
140 the current charge counter (in µAh). This could easily
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| /linux/security/apparmor/ |
| H A D | resource.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 * Copyright (C) 1998-2008 Novell/SUSE
8 * Copyright 2009-2010 Canonical Ltd.
36 rlim_names[ad->rlim.rlim], ad->rlim.max); in audit_cb()
37 if (ad->peer) { in audit_cb()
39 aa_label_xaudit(ab, labels_ns(ad->subj_label), ad->peer, in audit_cb()
45 * audit_resource - audit setting resource limit
54 * Returns: 0 or ad->error else other error code on failure
75 * aa_map_resource - map compiled policy resource to internal #
78 * Returns: resource # for the current architecture.
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| /linux/tools/testing/selftests/drivers/net/mlxsw/ |
| H A D | qos_headroom.sh | 2 # SPDX-License-Identifier: GPL-2.0
33 dcb -j buffer show dev $swp |
34 jq -r '[.prio_buffer | .[] | tostring + " "] | add'
41 dcb -j pfc show dev $swp |
42 jq -r '[.prio_pfc | .[] | if . then "1 " else "0 " end] | add'
49 dcb -j ets show dev $swp |
50 jq -r '[.prio_tc | .[] | tostring + " "] | add'
57 dcb -j buffer show dev $swp | jq ".buffer_size[$idx]"
62 dcb -j buffer show dev $swp | jq '.total_size'
69 local current=$(get_prio_pg)
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| /linux/include/linux/mfd/wm831x/ |
| H A D | pdata.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * include/linux/mfd/wm831x/pdata.h -- Platform data for WM831x
18 int max_uA; /** Maximum current to allow */
24 int vlim; /** Voltage limit in millivolts */
25 int ilim; /** Current limit in microamps */
32 int trickle_ilim; /** Trickle charge current limit, in mA */
34 int eoc_iterm; /** End of trickle charge current, in mA */
35 int fast_ilim; /** Fast charge current limit, in mA */
40 * Configuration for the WM831x DC-DC BuckWise convertors. This
59 WM831X_STATUS_PRESERVE = 0, /* Keep the current hardware setting */
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| /linux/include/linux/sched/ |
| H A D | signal.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
13 #include <linux/posix-timers.h>
18 * Types defining task->signal and task->sighand and APIs using them:
29 * Per-process accounting stats:
61 * struct thread_group_cputimer - thread group interval timer counts
103 /* current thread group signal load-balancing target: */
126 * manager, to re-parent orphan (double-forking) child processes
209 * because there is no reader checking a limit that actually needs
212 * getrlimit/setrlimit use task_lock(current->group_leader) to
219 struct pacct_struct pacct; /* per-process accounting information */
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