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-rw-r--r--kernel/power/Kconfig11
1 files changed, 8 insertions, 3 deletions
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index 5001c652028c..495b7d4dd330 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -78,17 +78,22 @@ config PM_SYSFS_DEPRECATED
78 are likely to be bus or driver specific. 78 are likely to be bus or driver specific.
79 79
80config SOFTWARE_SUSPEND 80config SOFTWARE_SUSPEND
81 bool "Software Suspend" 81 bool "Software Suspend (Hibernation)"
82 depends on PM && SWAP && (((X86 || PPC64_SWSUSP) && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP)) 82 depends on PM && SWAP && (((X86 || PPC64_SWSUSP) && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP))
83 ---help--- 83 ---help---
84 Enable the suspend to disk (STD) functionality. 84 Enable the suspend to disk (STD) functionality, which is usually
85 called "hibernation" in user interfaces. STD checkpoints the
86 system and powers it off; and restores that checkpoint on reboot.
85 87
86 You can suspend your machine with 'echo disk > /sys/power/state'. 88 You can suspend your machine with 'echo disk > /sys/power/state'.
87 Alternatively, you can use the additional userland tools available 89 Alternatively, you can use the additional userland tools available
88 from <http://suspend.sf.net>. 90 from <http://suspend.sf.net>.
89 91
90 In principle it does not require ACPI or APM, although for example 92 In principle it does not require ACPI or APM, although for example
91 ACPI will be used if available. 93 ACPI will be used for the final steps when it is available. One
94 of the reasons to use software suspend is that the firmware hooks
95 for suspend states like suspend-to-RAM (STR) often don't work very
96 well with Linux.
92 97
93 It creates an image which is saved in your active swap. Upon the next 98 It creates an image which is saved in your active swap. Upon the next
94 boot, pass the 'resume=/dev/swappartition' argument to the kernel to 99 boot, pass the 'resume=/dev/swappartition' argument to the kernel to