1 files changed, 10 insertions, 3 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index d08759aa090..dd1a6d4bb74 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1720,8 +1720,8 @@ and is between 256 and 4096 characters. It is defined in the file
         oprofile.cpu_type=      Force an oprofile cpu type
                         This might be useful if you have an older oprofile
                         userland or if you want common events.
-                        Format: { archperfmon }
-                        archperfmon: [X86] Force use of architectural
+                        Format: { arch_perfmon }
+                        arch_perfmon: [X86] Force use of architectural
                                 perfmon on Intel CPUs instead of the
                                 CPU specific event set.
 
@@ -1915,6 +1915,12 @@ and is between 256 and 4096 characters. It is defined in the file
                         Format: { 0 | 1 }
                         See arch/parisc/kernel/pdc_chassis.c
 
+        percpu_alloc=   [X86] Select which percpu first chunk allocator to use.
+                        Allowed values are one of "lpage", "embed" and "4k".
+                        See comments in arch/x86/kernel/setup_percpu.c for
+                        details on each allocator.  This parameter is primarily
+                        for debugging and performance comparison.
+
         pf.             [PARIDE]
                         See Documentation/blockdev/paride.txt.
 
@@ -2467,7 +2473,8 @@ and is between 256 and 4096 characters. It is defined in the file
 
         tp720=          [HW,PS2]
 
-        trace_buf_size=nn[KMG] [ftrace] will set tracing buffer size.
+        trace_buf_size=nn[KMG]
+                        [FTRACE] will set tracing buffer size.
 
         trix=           [HW,OSS] MediaTrix AudioTrix Pro
                         Format: