summaryrefslogtreecommitdiffstats
path: root/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'kernel')
-rw-r--r--kernel/power/Kconfig11
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