diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1999-11-27 16:25:33 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1999-11-27 16:25:33 +0000 |
| commit | a606a0cbc608fba266fc76044d2cfd795db58e42 (patch) | |
| tree | 0b2853def92c0af64d2ab5b350ea654eb41c0b42 /sys/arch/i386/include | |
| parent | 3b5b9efcffa6504ba1fdaf70480bdf9a89e5c502 (diff) | |
define PAGE_SIZE and friends, 4K kernel size reduction and probable speed increase; art
Diffstat (limited to 'sys/arch/i386/include')
| -rw-r--r-- | sys/arch/i386/include/param.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/arch/i386/include/param.h b/sys/arch/i386/include/param.h index 86f6af5ee58..eedfe26d667 100644 --- a/sys/arch/i386/include/param.h +++ b/sys/arch/i386/include/param.h @@ -1,4 +1,4 @@ -/* $OpenBSD: param.h,v 1.8 1999/09/20 17:06:00 deraadt Exp $ */ +/* $OpenBSD: param.h,v 1.9 1999/11/27 16:25:32 deraadt Exp $ */ /* $NetBSD: param.h,v 1.29 1996/03/04 05:04:26 cgd Exp $ */ /*- @@ -68,6 +68,11 @@ #define PGSHIFT 12 /* LOG2(NBPG) */ #define NBPG (1 << PGSHIFT) /* bytes/page */ #define PGOFSET (NBPG-1) /* byte offset into page */ + +#define PAGE_SHIFT 12 +#define PAGE_SIZE (1 << PAGE_SHIFT) +#define PAGE_MASK (PAGE_SIZE - 1) + #define NPTEPG (NBPG/(sizeof (pt_entry_t))) #define KERNBASE 0xe0000000 /* start of kernel virtual space */ |