Changeset a0d74fd in mainline for arch/sparc64/include/mm/tlb.h

Timestamp:

2006-03-01T11:07:04Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

9ad03fe

Parents:

2c49fbbe

Message:

ia64 work.
Provide PA2KA(identity) mapping for kernel data references via Alternate Data TLB Fault handler.
Add before_thread_runs_arch() that maps kstack, if necessary.
Add easy to use dtlb_mapping_insert() for comfortable insertion of kernel data mappings.

File:

• arch/sparc64/include/mm/tlb.h (modified) (1 diff)

arch/sparc64/include/mm/tlb.h

@@ -46 +46 @@
 #define PAGESIZE_512K   2
 #define PAGESIZE_4M     3
+
+/** Bit width of the TLB-locked portion of kernel address space. */
+#define KERNEL_PAGE_WIDTH       22      /* 4M */
 
 union tlb_context_reg {