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authorLen Brown <len.brown@intel.com>2006-01-06 16:34:21 -0500
committerLen Brown <len.brown@intel.com>2006-01-06 16:34:21 -0500
commit25da0974601fc8096461f3d3f7ca3aab8e79adfb (patch)
treef9b3c1bfbc63fdb6a94e82177b8c3ae891125422 /Documentation/power/interface.txt
parent036d25f79ddfbc9878da24ef8e468a6d22caa605 (diff)
parentd99cf9d679a520d67f81d805b7cb91c68e1847f0 (diff)
Auto-update from upstream
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diff --git a/Documentation/power/interface.txt b/Documentation/power/interface.txt
index f5ebda5f427..bd4ffb5bd49 100644
--- a/Documentation/power/interface.txt
+++ b/Documentation/power/interface.txt
@@ -41,3 +41,14 @@ to. Writing to this file will accept one of
It will only change to 'firmware' or 'platform' if the system supports
it.
+/sys/power/image_size controls the size of the image created by
+the suspend-to-disk mechanism. It can be written a string
+representing a non-negative integer that will be used as an upper
+limit of the image size, in megabytes. The suspend-to-disk mechanism will
+do its best to ensure the image size will not exceed that number. However,
+if this turns out to be impossible, it will try to suspend anyway using the
+smallest image possible. In particular, if "0" is written to this file, the
+suspend image will be as small as possible.
+
+Reading from this file will display the current image size limit, which
+is set to 500 MB by default.