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Code Issues Releases Activity

Increase default kernel map to 512GB

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I briefly discussed this with alc. It could lead to problems for greater than 64GB.
However, that seems unlikely in practice.
This commit is contained in:
Kip Macy 2009-05-16 20:57:08 +00:00
parent 94d77159ae
commit b6d82b1ae9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=192216
1 changed files with 2 additions and 2 deletions
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4
sys/amd64/include/vmparam.h
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@ -155,7 +155,7 @@
* 0xffff804020101000 - 0xfffffeffffffffff unused
* 0xffffff0000000000 - 0xffffff7fffffffff 512GB direct map mappings
* 0xffffff8000000000 - 0xfffffffe3fffffff unused (505GB)
* 0xfffffffe40000000 - 0xffffffffffffffff 7GB kernel map
* 0xfffffffe40000000 - 0xffffffffffffffff 512GB kernel map
*
* Within the kernel map:
*
@ -163,7 +163,7 @@
*/
#define VM_MAX_KERNEL_ADDRESS KVADDR(KPML4I, NPDPEPG-1, NPDEPG-1, NPTEPG-1)
#define VM_MIN_KERNEL_ADDRESS KVADDR(KPML4I, NPDPEPG-7, 0, 0)
#define VM_MIN_KERNEL_ADDRESS KVADDR(KPML4I, NPDPEPG-512, 0, 0)
#define DMAP_MIN_ADDRESS KVADDR(DMPML4I, 0, 0, 0)
#define DMAP_MAX_ADDRESS KVADDR(DMPML4I+1, 0, 0, 0)