diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2008-06-24 21:24:04 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2008-06-24 21:24:04 +0000 |
| commit | eb30d8959a1448ff7a7b73c410533fd80508f0af (patch) | |
| tree | cfc8de5d0358f7748bb5089529c342104180deba /sys/arch/amd64/include | |
| parent | 3adb826ceb6fc3ab73eae18d801296aaefa6c8aa (diff) | |
On user/kernel shared page table machines, do not let processes map their
own page 0, as discussed with miod (and many others previously, including
art and toby). On sparc, make this __LDPGSZ because PAGE_SIZE is non-constant
ok miod tedu
Diffstat (limited to 'sys/arch/amd64/include')
| -rw-r--r-- | sys/arch/amd64/include/vmparam.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arch/amd64/include/vmparam.h b/sys/arch/amd64/include/vmparam.h index c083cb68e23..3822f13d557 100644 --- a/sys/arch/amd64/include/vmparam.h +++ b/sys/arch/amd64/include/vmparam.h @@ -1,4 +1,4 @@ -/* $OpenBSD: vmparam.h,v 1.8 2008/06/10 02:55:39 weingart Exp $ */ +/* $OpenBSD: vmparam.h,v 1.9 2008/06/24 21:24:03 deraadt Exp $ */ /* $NetBSD: vmparam.h,v 1.1 2003/04/26 18:39:49 fvdl Exp $ */ /*- @@ -88,7 +88,7 @@ */ /* user/kernel map constants */ -#define VM_MIN_ADDRESS 0 +#define VM_MIN_ADDRESS PAGE_SIZE #define VM_MAXUSER_ADDRESS 0x00007f7fffffc000 #define VM_MAX_ADDRESS 0x00007fbfdfeff000 #define VM_MIN_KERNEL_ADDRESS 0xffff800000000000 |