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Increase the kernel map's size to 7GB, making room for a kmem map of size

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greater than 4GB.  (Auto-sizing will set the ceiling on the kmem map size
to 4.2GB.)
This commit is contained in:
Alan Cox 2008-07-05 20:44:55 +00:00
parent 29f612ec71
commit 13e0058451
2 changed files with 4 additions and 4 deletions
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4
sys/amd64/include/pmap.h
View file

@ -111,7 +111,7 @@
/* Initial number of kernel page tables. */
#ifndef NKPT
#define NKPT 2288
#define NKPT 2688
#endif
#define NKPML4E 1 /* number of kernel PML4 slots */
@ -131,7 +131,7 @@
#define KPML4I (NPML4EPG-1) /* Top 512GB for KVM */
#define DMPML4I (KPML4I-1) /* Next 512GB down for direct map */
#define KPDPI (NPDPEPG-6) /* kernel map starts at -6GB */
#define KPDPI (NPDPEPG-7) /* kernel map starts at -7GB */
/*
* XXX doesn't really belong here I guess...

4
sys/amd64/include/vmparam.h
View file

@ -154,8 +154,8 @@
* 0xffff800000000000 - 0xffff804020100fff recursive page table (512GB slot)
* 0xffff804020101000 - 0xfffffeffffffffff unused
* 0xffffff0000000000 - 0xffffff7fffffffff 512GB direct map mappings
* 0xffffff8000000000 - 0xfffffffe7fffffff unused (506GB)
* 0xfffffffe80000000 - 0xffffffffffffffff 6GB kernel map
* 0xffffff8000000000 - 0xfffffffe3fffffff unused (505GB)
* 0xfffffffe40000000 - 0xffffffffffffffff 7GB kernel map
*
* Within the kernel map:
*