patch-2.4.21 linux-2.4.21/Documentation/x86_64/mm.txt

• Lines: 16
• Date: 2003-06-13 07:51:29.000000000 -0700
• Orig file: linux-2.4.20/Documentation/x86_64/mm.txt
• Orig date: 2002-11-28 15:53:08.000000000 -0800

diff -urN linux-2.4.20/Documentation/x86_64/mm.txt linux-2.4.21/Documentation/x86_64/mm.txt
@@ -2,7 +2,6 @@
 
 o	per process virtual address space limit of 512 Gigabytes
 o	top of userspace stack located at address 0x0000007fffffffff
-o	PAGE_OFFSET = 0xffff800000000000
 o	start of the kernel mapping =  0x0000010000000000
 o	global RAM per system 508*512GB=254 Terabytes
 o	no need of any common code change
@@ -65,6 +64,7 @@
         1    unmapped
         2    __PAGE_OFFSET - start of direct mapping of physical memory
         ...  direct mapping in further slots as needed.
+	509  some io mappings (others are in a memory hole below 4gb)
         510  vmalloc and ioremap space
 	511  kernel code mapping, fixmaps and modules.