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- Removed UMAXPTDI and UMAXPTEOFF.

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- Changed VM_MAXUSER_ADDRESS to be defined in terms of PTDPTDI.  In order for
  assumptions about the recursive page table map to work it must be the base
  of the recursive map.  Any pte offset that's not NPTEPG will break these
  assumptions.

Sponsored by:	DARPA, Network Associates Laboratories
This commit is contained in:
Jake Burkholder 2003-02-24 20:29:52 +00:00
parent 2ff31e0d81
commit 5cd612b27e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=111440
4 changed files with 2 additions and 6 deletions
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2
sys/amd64/include/pmap.h
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@ -123,8 +123,6 @@
#define KPTDI (APTDPTDI-NKPDE)/* start of kernel virtual pde's */
#endif /* SMP */
#define PTDPTDI (KPTDI-NPGPTD) /* ptd entry that points to ptd! */
#define UMAXPTDI (PTDPTDI-1) /* ptd entry for user space end */
#define UMAXPTEOFF (NPTEPG) /* pte entry for user space end */
/*
* XXX doesn't really belong here I guess...

2
sys/amd64/include/vmparam.h
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@ -101,7 +101,7 @@
#define UPT_MAX_ADDRESS VADDR(PTDPTDI, PTDPTDI)
#define UPT_MIN_ADDRESS VADDR(PTDPTDI, 0)
#define VM_MAXUSER_ADDRESS VADDR(UMAXPTDI, UMAXPTEOFF)
#define VM_MAXUSER_ADDRESS VADDR(PTDPTDI, 0)
#define USRSTACK VM_MAXUSER_ADDRESS

2
sys/i386/include/pmap.h
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@ -123,8 +123,6 @@
#define KPTDI (APTDPTDI-NKPDE)/* start of kernel virtual pde's */
#endif /* SMP */
#define PTDPTDI (KPTDI-NPGPTD) /* ptd entry that points to ptd! */
#define UMAXPTDI (PTDPTDI-1) /* ptd entry for user space end */
#define UMAXPTEOFF (NPTEPG) /* pte entry for user space end */
/*
* XXX doesn't really belong here I guess...

2
sys/i386/include/vmparam.h
View File

@ -101,7 +101,7 @@
#define UPT_MAX_ADDRESS VADDR(PTDPTDI, PTDPTDI)
#define UPT_MIN_ADDRESS VADDR(PTDPTDI, 0)
#define VM_MAXUSER_ADDRESS VADDR(UMAXPTDI, UMAXPTEOFF)
#define VM_MAXUSER_ADDRESS VADDR(PTDPTDI, 0)
#define USRSTACK VM_MAXUSER_ADDRESS