Minor performance improvements, additional prototype for additional
exported symbol.
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parent
5e887e181c
commit
ced399ee65
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=10576
@ -66,7 +66,7 @@
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*
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* $Id: vm_fault.c,v 1.27 1995/09/03 20:40:41 dyson Exp $
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* $Id: vm_fault.c,v 1.28 1995/09/04 04:44:26 dyson Exp $
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*/
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/*
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@ -639,6 +639,7 @@ RetryFault:;
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}
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m->flags |= PG_MAPPED|PG_REFERENCED;
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m->flags &= ~PG_ZERO;
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pmap_enter(map->pmap, vaddr, VM_PAGE_TO_PHYS(m), prot, wired);
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#if 0
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@ -845,8 +846,7 @@ vm_fault_copy_entry(dst_map, src_map, dst_entry, src_entry)
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* Enter it in the pmap...
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*/
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dst_m->flags |= PG_WRITEABLE;
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dst_m->flags |= PG_MAPPED;
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dst_m->flags |= PG_WRITEABLE|PG_MAPPED;
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pmap_enter(dst_map->pmap, vaddr, VM_PAGE_TO_PHYS(dst_m),
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prot, FALSE);
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@ -878,7 +878,8 @@ vm_fault_page_lookup(object, offset, rtobject, rtoffset, rtm)
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*rtoffset = 0;
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while (!(m = vm_page_lookup(object, offset))) {
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if (vm_pager_has_page(object, object->paging_offset + offset, NULL, NULL)) {
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if (vm_pager_has_page(object,
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object->paging_offset + offset, NULL, NULL)) {
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*rtobject = object;
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*rtoffset = offset;
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return 1;
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@ -38,7 +38,7 @@
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* SUCH DAMAGE.
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*
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* from: @(#)vnode_pager.c 7.5 (Berkeley) 4/20/91
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* $Id: vnode_pager.c,v 1.45 1995/09/04 00:21:16 dyson Exp $
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* $Id: vnode_pager.c,v 1.46 1995/09/04 04:44:25 dyson Exp $
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*/
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/*
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@ -207,6 +207,8 @@ vnode_pager_haspage(object, offset, before, after)
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after, before);
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if (err)
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return TRUE;
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if (((long) bn) < 0)
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return FALSE;
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poff = (offset - (reqblock * bsize)) / PAGE_SIZE;
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if (before) {
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*before *= pagesperblock;
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@ -216,7 +218,7 @@ vnode_pager_haspage(object, offset, before, after)
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*after *= pagesperblock;
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*after += (pagesperblock - (poff + 1));
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}
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return ((long) bn < 0 ? FALSE : TRUE);
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return TRUE;
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}
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/*
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@ -36,7 +36,7 @@
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* SUCH DAMAGE.
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*
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* @(#)vnode_pager.h 8.1 (Berkeley) 6/11/93
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* $Id: vnode_pager.h,v 1.4 1995/01/09 16:06:02 davidg Exp $
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* $Id: vnode_pager.h,v 1.5 1995/07/13 08:48:48 davidg Exp $
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*/
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#ifndef _VNODE_PAGER_
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@ -49,6 +49,7 @@ int vnode_pager_getpages __P((vm_object_t, vm_page_t *, int, int));
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int vnode_pager_putpages __P((vm_object_t, vm_page_t *, int, boolean_t, int *));
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boolean_t vnode_pager_haspage __P((vm_object_t, vm_offset_t, int *, int *));
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struct vnode *vnode_pager_lock __P((vm_object_t));
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void vnode_pager_freepage __P((vm_page_t m));
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#endif
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#endif /* _VNODE_PAGER_ */
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