PCI: allow assignment of memory resources with a specified alignment

[linux-2.6-omap-h63xx.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index c7c441e7930e9e5c320268b291f344e51291d33c..1754fedc531c34188f4901f16eb2129935d62b0d 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1760,6 +1760,15 @@ and is between 256 and 4096 characters. It is defined in the file
                cbmemsize=nn[KMG]       The fixed amount of bus space which is
                                reserved for the CardBus bridge's memory
                                window. The default value is 64 megabytes.
+               resource_alignment=
+                               Format:
+                               [<order of align>@][<domain>:]<bus>:<slot>.<func>[; ...]
+                               Specifies alignment and device to reassign
+                               aligned memory resources.
+                               If <order of align> is not specified,
+                               PAGE_SIZE is used as alignment.
+                               PCI-PCI bridge can be specified, if resource
+                               windows need to be expanded.
 
        pcie_aspm=      [PCIE] Forcibly enable or disable PCIe Active State Power
                        Management.