thp: fix khugepaged defrag tunable documentation

[karo-tx-linux.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 6ca1f5cb71e0b1290a429c5d33fcf2f578ad3cc9..854ed5ca7e3f122f5ac808b462eb14b9ee6b1977 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1350,9 +1350,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        it is equivalent to "nosmp", which also disables
                        the IO APIC.
 
-       max_loop=       [LOOP] Maximum number of loopback devices that can
-                       be mounted
-                       Format: <1-256>
+       max_loop=       [LOOP] The number of loop block devices that get
+       (loop.max_loop) unconditionally pre-created at init time. The default
+                       number is configured by BLK_DEV_LOOP_MIN_COUNT. Instead
+                       of statically allocating a predefined number, loop
+                       devices can be requested on-demand with the
+                       /dev/loop-control interface.
 
        mcatest=        [IA-64]
 
@@ -2083,9 +2086,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        Override pmtimer IOPort with a hex value.
                        e.g. pmtmr=0x508
 
-       pnp.debug       [PNP]
-                       Enable PNP debug messages.  This depends on the
-                       CONFIG_PNP_DEBUG_MESSAGES option.
+       pnp.debug=1     [PNP]
+                       Enable PNP debug messages (depends on the
+                       CONFIG_PNP_DEBUG_MESSAGES option).  Change at run-time
+                       via /sys/module/pnp/parameters/debug.  We always show
+                       current resource usage; turning this on also shows
+                       possible settings and some assignment information.
 
        pnpacpi=        [ACPI]
                        { off }