Doc: Fix double words in Documentation

This patch fix some double words found in Documentation.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/block/pr.txt

@@ -90,7 +90,7 @@ and thus removes any access restriction implied by it.
 4. IOC_PR_PREEMPT
 
 This ioctl command releases the existing reservation referred to by
-old_key and replaces it with a a new reservation of type for the
+old_key and replaces it with a new reservation of type for the
 reservation key new_key.
 
 

Documentation/ioctl/botching-up-ioctls.txt

@@ -24,7 +24,7 @@ Prerequisites
 -------------
 
 First the prerequisites. Without these you have already failed, because you
-will need to add a a 32-bit compat layer:
+will need to add a 32-bit compat layer:
 
  * Only use fixed sized integers. To avoid conflicts with typedefs in userspace
    the kernel has special types like __u32, __s64. Use them.

Documentation/livepatch/livepatch.txt

@@ -377,7 +377,7 @@ The current Livepatch implementation has several limitations:
     Each function has to handle TOC and save LR before it could call
     the ftrace handler. This operation has to be reverted on return.
     Fortunately, the generic ftrace code has the same problem and all
-    this is is handled on the ftrace level.
+    this is handled on the ftrace level.
 
 
   + Kretprobes using the ftrace framework conflict with the patched

Documentation/networking/kcm.txt

@@ -272,7 +272,7 @@ on the socket thus waking up the application thread. When the application
 sees the error (which may just be a disconnect) it should unattach the
 socket from KCM and then close it. It is assumed that once an error is
 posted on the TCP socket the data stream is unrecoverable (i.e. an error
-may have occurred in in the middle of receiving a messssge).
+may have occurred in the middle of receiving a messssge).
 
 TCP connection monitoring
 -------------------------

Documentation/usb/power-management.txt

@@ -543,7 +543,7 @@ relevant attribute files are usb2_hardware_lpm and usb3_hardware_lpm.
 		When a USB 3.0 lpm-capable device is plugged in to a
 		xHCI host which supports link PM, it will check if U1
 		and U2 exit latencies have been set in the BOS
-		descriptor; if the check is is passed and the host
+		descriptor; if the check is passed and the host
 		supports USB3 hardware LPM, USB3 hardware LPM will be
 		enabled for the device and these files will be created.
 		The files hold a string value (enable or disable)

Documentation/vm/transhuge.txt

@@ -296,7 +296,7 @@ thp_split_page is incremented every time a huge page is split into base
 	reason is that a huge page is old and is being reclaimed.
 	This action implies splitting all PMD the page mapped with.
 
-thp_split_page_failed is is incremented if kernel fails to split huge
+thp_split_page_failed is incremented if kernel fails to split huge
 	page. This can happen if the page was pinned by somebody.
 
 thp_deferred_split_page is incremented when a huge page is put onto split