x86, cpu: Add forcepae parameter for booting PAE kernels on PAE-disabled Pentium M

[deliverable/linux.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 7116fda7077ffce993b0d2456869934ab8c3ee09..06600cc9a26ccbb2023c758ea7f6a4ed756e69e3 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1011,6 +1011,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        parameter will force ia64_sal_cache_flush to call
                        ia64_pal_cache_flush instead of SAL_CACHE_FLUSH.
 
+       forcepae [X86-32]
+                       Forcefully enable Physical Address Extension (PAE).
+                       Many Pentium M systems disable PAE but may have a
+                       functionally usable PAE implementation.
+                       Warning: use of this parameter will taint the kernel
+                       and may cause unknown problems.
+
        ftrace=[tracer]
                        [FTRACE] will set and start the specified tracer
                        as early as possible in order to facilitate early