diff options
| -rw-r--r-- | kernel/power/Kconfig | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index 51a4dd0f1b7..877721708fa 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig @@ -78,17 +78,22 @@ config PM_SYSFS_DEPRECATED are likely to be bus or driver specific. config SOFTWARE_SUSPEND - bool "Software Suspend" + bool "Software Suspend (Hibernation)" depends on PM && SWAP && ((X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP)) ---help--- - Enable the suspend to disk (STD) functionality. + Enable the suspend to disk (STD) functionality, which is usually + called "hibernation" in user interfaces. STD checkpoints the + system and powers it off; and restores that checkpoint on reboot. You can suspend your machine with 'echo disk > /sys/power/state'. Alternatively, you can use the additional userland tools available from <http://suspend.sf.net>. In principle it does not require ACPI or APM, although for example - ACPI will be used if available. + ACPI will be used for the final steps when it is available. One + of the reasons to use software suspend is that the firmware hooks + for suspend states like suspend-to-RAM (STR) often don't work very + well with Linux. It creates an image which is saved in your active swap. Upon the next boot, pass the 'resume=/dev/swappartition' argument to the kernel to |