Lines Matching +full:ram +full:- +full:code
1 # SPDX-License-Identifier: GPL-2.0-only
3 bool "Suspend to RAM and standby"
9 suspend-to-RAM state (e.g. the ACPI S3 state).
12 bool "Enable freezer for suspend to RAM/standby" \
18 done, no tasks are frozen for suspend to RAM/standby.
23 bool "Skip kernel's sys_sync() on suspend to RAM/standby"
30 user-space before invoking suspend. There's a run-time switch
32 This setting changes the default for the run-tim switch. Say Y
60 for suspend states like suspend-to-RAM (STR) often don't work very
72 <file:Documentation/power/swsusp-and-swap-files.rst>).
122 The default resume partition is the partition that the suspend-
123 to-disk implementation will look for a suspended disk image.
157 non-zero numbered CPU, it may define ARCH_SUSPEND_NONZERO_CPU. This
173 This option changes the behavior of various sleep-sensitive code to deal
174 with frequent userspace-initiated transitions into a global sleep state.
176 Saying Y here, disables code paths that most users really should keep
192 objects with the help of a sysfs-based interface.
208 Enable functionality allowing I/O devices to be put into energy-saving
210 (autosuspended), and woken up in response to a hardware-generated
211 wake-up event or a driver's request.
216 wake-up events.
223 code. This is helpful when debugging and reporting PM bugs, like
227 bool "Extra PM attributes in sysfs for low-level debugging/testing"
272 different then a non-fatal warning (with a stack trace of
274 timeout expires. If the suspend routine gets un-stuck
277 timeout expires then an emergency-level message and stack
287 This enables code to save the last PM event point across
291 The architecture specific code must provide the extern
292 functions from <linux/resume-trace.h> as well as the
293 <asm/resume-trace.h> header with a TRACE_RESUME() macro.
295 The way the information is presented is architecture-
305 This enables some cheesy code to save the last PM event point in the
312 dmesg -s 1000000 | grep 'hash matches'
314 CAUTION: this option will cause your machine's real-time clock to be
325 battery status information, and user-space programs will receive
329 and more information, read <file:Documentation/power/apm-acpi.rst>
330 and the Battery Powered Linux mini-HOWTO, available from
335 VESA-compliant "green" monitors.
352 bool "Enable workqueue power-efficient mode by default"
355 Per-cpu workqueues are generally preferred because they show
357 per-cpu workqueues tend to be more power hungry than unbound
361 per-cpu workqueues which were observed to contribute
391 The exact usage of the energy model is subsystem-dependent.