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-rw-r--r--Documentation/power/swsusp.txt10
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diff --git a/Documentation/power/swsusp.txt b/Documentation/power/swsusp.txt
index 9f2f942a01cf..cc87adf44c0a 100644
--- a/Documentation/power/swsusp.txt
+++ b/Documentation/power/swsusp.txt
@@ -24,8 +24,16 @@ Some warnings, first.
* see the FAQ below for details. (This is not true for more traditional
* power states like "standby", which normally don't turn USB off.)
+Swap partition:
You need to append resume=/dev/your_swap_partition to kernel command
-line. Then you suspend by
+line or specify it using /sys/power/resume.
+
+Swap file:
+If using a swapfile you can also specify a resume offset using
+resume_offset=<number> on the kernel command line or specify it
+in /sys/power/resume_offset.
+
+After preparing then you suspend by
echo shutdown > /sys/power/disk; echo disk > /sys/power/state