diff options
Diffstat (limited to 'sys/arch/sparc')
| -rw-r--r-- | sys/arch/sparc/include/pmap.h | 3 | ||||
| -rw-r--r-- | sys/arch/sparc/sparc/pmap.c | 21 |
2 files changed, 22 insertions, 2 deletions
diff --git a/sys/arch/sparc/include/pmap.h b/sys/arch/sparc/include/pmap.h index 8e0e2a94973..449c5b6eb6e 100644 --- a/sys/arch/sparc/include/pmap.h +++ b/sys/arch/sparc/include/pmap.h @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.h,v 1.41 2007/06/06 17:15:12 deraadt Exp $ */ +/* $OpenBSD: pmap.h,v 1.42 2007/09/10 18:49:45 miod Exp $ */ /* $NetBSD: pmap.h,v 1.30 1997/08/04 20:00:47 pk Exp $ */ /* @@ -283,6 +283,7 @@ vaddr_t pmap_map(vaddr_t, paddr_t, paddr_t, int); void pmap_reference(pmap_t); void pmap_release(pmap_t); void pmap_remove(pmap_t, vaddr_t, vaddr_t); +void pmap_remove_holes(struct vm_map *); int pmap_page_index(paddr_t); void pmap_virtual_space(vaddr_t *, vaddr_t *); void pmap_redzone(void); diff --git a/sys/arch/sparc/sparc/pmap.c b/sys/arch/sparc/sparc/pmap.c index 5eceee1cffd..56f03b9ccb6 100644 --- a/sys/arch/sparc/sparc/pmap.c +++ b/sys/arch/sparc/sparc/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.145 2007/06/06 17:15:12 deraadt Exp $ */ +/* $OpenBSD: pmap.c,v 1.146 2007/09/10 18:49:45 miod Exp $ */ /* $NetBSD: pmap.c,v 1.118 1998/05/19 19:00:18 thorpej Exp $ */ /* @@ -6151,6 +6151,25 @@ pmap_prefer(foff, vap) } void +pmap_remove_holes(struct vm_map *map) +{ +#if defined(SUN4) || defined(SUN4C) + if (mmu_has_hole) { + vaddr_t shole, ehole; + + shole = max(vm_map_min(map), (vaddr_t)MMU_HOLE_START); + ehole = min(vm_map_max(map), (vaddr_t)MMU_HOLE_END); + + if (ehole <= shole) + return; + + uvm_map_reserve(map, ehole - shole, UVM_UNKNOWN_OFFSET, + 0, &shole); + } +#endif +} + +void pmap_redzone() { #if defined(SUN4M) |