diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2003-12-14 22:08:03 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2003-12-14 22:08:03 +0000 |
| commit | 24f501922f769d6a187798fd60429fdb894330a6 (patch) | |
| tree | 86bc3870aaaa7543d506c3b535837a45cf7b206b /sys/arch/mvme88k/include | |
| parent | f52e5a059a96c9e2974d8a0cf9cdd648ff6a905e (diff) | |
Replace pmap_testbit/pmap_changebit sequences with a tailor-made pmap_unsetbit
routine, in order to speed up pmap_clear_modify() and pmap_clear_reference().
Diffstat (limited to 'sys/arch/mvme88k/include')
| -rw-r--r-- | sys/arch/mvme88k/include/pmap.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/arch/mvme88k/include/pmap.h b/sys/arch/mvme88k/include/pmap.h index 5d5a3948f69..373aa4770f3 100644 --- a/sys/arch/mvme88k/include/pmap.h +++ b/sys/arch/mvme88k/include/pmap.h @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.h,v 1.31 2003/10/11 22:08:57 miod Exp $ */ +/* $OpenBSD: pmap.h,v 1.32 2003/12/14 22:08:01 miod Exp $ */ /* * Mach Operating System * Copyright (c) 1991 Carnegie Mellon University @@ -65,10 +65,14 @@ extern caddr_t vmmap; #define pmap_phys_address(frame) ((paddr_t)(ptoa(frame))) #define pmap_copy(dp,sp,d,l,s) do { /* nothing */ } while (0) -#define pmap_update(pmap) do { /* nothing (yet) */ } while (0) +#define pmap_update(pmap) do { /* nothing (yet) */ } while (0) + +#define pmap_clear_modify(pg) pmap_unsetbit(pg, PG_M) +#define pmap_clear_reference(pg) pmap_unsetbit(pg, PG_U) void pmap_bootstrap(vaddr_t, paddr_t *, paddr_t *, vaddr_t *, vaddr_t *); void pmap_cache_ctrl(pmap_t, vaddr_t, vaddr_t, u_int); +boolean_t pmap_unsetbit(struct vm_page *, int); #endif /* _KERNEL */ |