Changeset 4cc2ddd in mainline for kernel/arch/amd64/src/mm/page.c

Timestamp:

2008-01-15T13:19:35Z (18 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

62da45a

Parents:

22e8166d

Message:

amd64: shorten kernel address space by 2 GB to support proper mapping of more than 2 GB of physical memory

File:

• kernel/arch/amd64/src/mm/page.c (modified) (2 diffs)

kernel/arch/amd64/src/mm/page.c

@@ -88 +88 @@
         if (config.cpu_active == 1) {
                 page_mapping_operations = &pt_mapping_operations;
-                
+
                 /*
                  * PA2KA(identity) mapping for all frames.
@@ -96 +96 @@
                         page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, identity_flags);
                 }
+                
                 /* Upper kernel mapping
                  * - from zero to top of kernel (include bottom addresses
-                 *   because some are needed for init )
+                 *   because some are needed for init)
                  */
                 for (cur = PA2KA_CODE(0); cur < config.base + config.kernel_size; cur += FRAME_SIZE)