[PATCH] 2.5.5-dj2, modify arch/i386/Config.help for highpte options.

[Steven Cole]

This patch modifies the help text for the CONFIG_NOHIGHMEM option in
arch/i386/Config.help to explain the two new options; 
CONFIG_HIGHMEM4G_HIGHPTE and CONFIG_HIGHMEM64G_HIGHPTE.

Since this is a choice selection, the help text for the first option,
CONFIG_NOHIGHMEM is the only one which is visible using the current
configurators.

Here is a snippet from arch/i386/config.in both 2.5.5-dj2 and 2.5.6-pre1:

choice 'High Memory Support' \
        "off           CONFIG_NOHIGHMEM \
         4GB           CONFIG_HIGHMEM4G \
         4GB-highpte   CONFIG_HIGHMEM4G_HIGHPTE \
         64GB          CONFIG_HIGHMEM64G \
         64GB-highpte  CONFIG_HIGHMEM64G_HIGHPTE" off

If the notes for the highpte options are incorrect, feel free to provide 
a better explanation.

Steven

--- linux-2.5.5-dj2/arch/i386/Config.help.orig  Thu Feb 28 10:58:01 2002
+++ linux-2.5.5-dj2/arch/i386/Config.help       Thu Feb 28 11:52:43 2002
@@ -111,13 +111,21 @@
   possible.

   If the machine has between 1 and 4 Gigabytes physical RAM, then
-  answer "4GB" here.
+  answer "4GB" or "4GB-highpte" here.  The "4GB-highpte" option
+  will put user-space page table entries into high memory.
+
+  If the machine has more than 4 Gigabytes physical RAM, then
+  answer "64GB" or "64GB-highpte" here.  The "64GB-highpte" option
+  will put user-space page table entries into high memory.
+
+  Selecting either "64GB" or "64GB-highpte" turns Intel PAE
+  (Physical Address Extension) mode on.

-  If more than 4 Gigabytes is used then answer "64GB" here. This
-  selection turns Intel PAE (Physical Address Extension) mode on.
   PAE implements 3-level paging on IA32 processors. PAE is fully
   supported by Linux, PAE mode is implemented on all recent Intel
-  processors (Pentium Pro and better). NOTE: If you say "64GB" here,
+  processors (Pentium Pro and better).
+
+  NOTE: If you say "64GB" or "64GB-highpte" here,
   then the kernel will not boot on CPUs that don't support PAE!

   The actual amount of total physical memory will either be