1 files changed, 8 insertions, 3 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index cf2ac2961fc2..2919a2e91938 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -294,7 +294,9 @@ and is between 256 and 4096 characters. It is defined in the file
                         Possible values are:
                         isolate - enable device isolation (each device, as far
                                   as possible, will get its own protection
-                                  domain)
+                                  domain) [default]
+                        share - put every device behind one IOMMU into the
+                                same protection domain
                         fullflush - enable flushing of IO/TLB entries when
                                     they are unmapped. Otherwise they are
                                     flushed before they will be reused, which
@@ -1201,8 +1203,8 @@ and is between 256 and 4096 characters. It is defined in the file
                         it is equivalent to "nosmp", which also disables
                         the IO APIC.
 
-        max_addr=[KMG]  [KNL,BOOT,ia64] All physical memory greater than or
-                        equal to this physical address is ignored.
+        max_addr=nn[KMG]        [KNL,BOOT,ia64] All physical memory greater than
+                        or equal to this physical address is ignored.
 
         max_luns=       [SCSI] Maximum number of LUNs to probe.
                         Should be between 1 and 2^32-1.
@@ -1302,6 +1304,9 @@ and is between 256 and 4096 characters. It is defined in the file
 
         mga=            [HW,DRM]
 
+        min_addr=nn[KMG]        [KNL,BOOT,ia64] All physical memory below this
+                        physical address is ignored.
+
         mminit_loglevel=
                         [KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this
                         parameter allows control of the logging verbosity for