diff options
| author | dyson <dyson@FreeBSD.org> | 1995-09-06 05:37:43 +0000 |
|---|---|---|
| committer | dyson <dyson@FreeBSD.org> | 1995-09-06 05:37:43 +0000 |
| commit | 05b73ee38676e1e853cbe4e6e900d61c1c18f133 (patch) | |
| tree | 19a4ecf640e5b00acaaef934c609772b5ddb0804 /sys | |
| parent | 098759436eed94bbe7beb7fef56ac001c9fa5338 (diff) | |
| download | FreeBSD-src-05b73ee38676e1e853cbe4e6e900d61c1c18f133.zip FreeBSD-src-05b73ee38676e1e853cbe4e6e900d61c1c18f133.tar.gz | |
Minor performance improvements, additional prototype for additional
exported symbol.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/vm/vm_fault.c | 9 | ||||
| -rw-r--r-- | sys/vm/vnode_pager.c | 6 | ||||
| -rw-r--r-- | sys/vm/vnode_pager.h | 3 |
3 files changed, 11 insertions, 7 deletions
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c index 65efdfb..ed52f03 100644 --- a/sys/vm/vm_fault.c +++ b/sys/vm/vm_fault.c @@ -66,7 +66,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_fault.c,v 1.27 1995/09/03 20:40:41 dyson Exp $ + * $Id: vm_fault.c,v 1.28 1995/09/04 04:44:26 dyson Exp $ */ /* @@ -639,6 +639,7 @@ readrest: } m->flags |= PG_MAPPED|PG_REFERENCED; + m->flags &= ~PG_ZERO; pmap_enter(map->pmap, vaddr, VM_PAGE_TO_PHYS(m), prot, wired); #if 0 @@ -845,8 +846,7 @@ vm_fault_copy_entry(dst_map, src_map, dst_entry, src_entry) * Enter it in the pmap... */ - dst_m->flags |= PG_WRITEABLE; - dst_m->flags |= PG_MAPPED; + dst_m->flags |= PG_WRITEABLE|PG_MAPPED; pmap_enter(dst_map->pmap, vaddr, VM_PAGE_TO_PHYS(dst_m), prot, FALSE); @@ -878,7 +878,8 @@ vm_fault_page_lookup(object, offset, rtobject, rtoffset, rtm) *rtoffset = 0; while (!(m = vm_page_lookup(object, offset))) { - if (vm_pager_has_page(object, object->paging_offset + offset, NULL, NULL)) { + if (vm_pager_has_page(object, + object->paging_offset + offset, NULL, NULL)) { *rtobject = object; *rtoffset = offset; return 1; diff --git a/sys/vm/vnode_pager.c b/sys/vm/vnode_pager.c index 3e454e3..d8b7ccb 100644 --- a/sys/vm/vnode_pager.c +++ b/sys/vm/vnode_pager.c @@ -38,7 +38,7 @@ * SUCH DAMAGE. * * from: @(#)vnode_pager.c 7.5 (Berkeley) 4/20/91 - * $Id: vnode_pager.c,v 1.45 1995/09/04 00:21:16 dyson Exp $ + * $Id: vnode_pager.c,v 1.46 1995/09/04 04:44:25 dyson Exp $ */ /* @@ -207,6 +207,8 @@ vnode_pager_haspage(object, offset, before, after) after, before); if (err) return TRUE; + if (((long) bn) < 0) + return FALSE; poff = (offset - (reqblock * bsize)) / PAGE_SIZE; if (before) { *before *= pagesperblock; @@ -216,7 +218,7 @@ vnode_pager_haspage(object, offset, before, after) *after *= pagesperblock; *after += (pagesperblock - (poff + 1)); } - return ((long) bn < 0 ? FALSE : TRUE); + return TRUE; } /* diff --git a/sys/vm/vnode_pager.h b/sys/vm/vnode_pager.h index b766ac4..4381629 100644 --- a/sys/vm/vnode_pager.h +++ b/sys/vm/vnode_pager.h @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)vnode_pager.h 8.1 (Berkeley) 6/11/93 - * $Id: vnode_pager.h,v 1.4 1995/01/09 16:06:02 davidg Exp $ + * $Id: vnode_pager.h,v 1.5 1995/07/13 08:48:48 davidg Exp $ */ #ifndef _VNODE_PAGER_ @@ -49,6 +49,7 @@ int vnode_pager_getpages __P((vm_object_t, vm_page_t *, int, int)); int vnode_pager_putpages __P((vm_object_t, vm_page_t *, int, boolean_t, int *)); boolean_t vnode_pager_haspage __P((vm_object_t, vm_offset_t, int *, int *)); struct vnode *vnode_pager_lock __P((vm_object_t)); +void vnode_pager_freepage __P((vm_page_t m)); #endif #endif /* _VNODE_PAGER_ */ |
