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Make sure that the pages being 'pre-faulted' are currently on a queue.

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This commit is contained in:
dg 1995-01-26 00:55:03 +00:00
parent ba659e9847
commit b857510ab6
2 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sys/amd64/amd64/pmap.c
View File

@ -39,7 +39,7 @@
* SUCH DAMAGE.
*
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91
* $Id: pmap.c,v 1.43 1995/01/24 09:56:32 davidg Exp $
* $Id: pmap.c,v 1.44 1995/01/25 22:06:23 davidg Exp $
*/
/*
@ -1520,6 +1520,7 @@ pmap_object_init_pt(pmap, addr, object, offset, size)
if ((p->bmapped == 0) &&
(p->busy == 0) &&
((p->valid & VM_PAGE_BITS_ALL) == VM_PAGE_BITS_ALL) &&
((p->flags & (PG_ACTIVE | PG_INACTIVE)) != 0) &&
(p->flags & (PG_BUSY | PG_FICTITIOUS | PG_CACHE)) == 0) {
vm_page_hold(p);
pmap_enter_quick(pmap, addr + tmpoff, VM_PAGE_TO_PHYS(p));
@ -1536,6 +1537,7 @@ pmap_object_init_pt(pmap, addr, object, offset, size)
if (p && (p->bmapped == 0) &&
(p->busy == 0) &&
((p->valid & VM_PAGE_BITS_ALL) == VM_PAGE_BITS_ALL) &&
((p->flags & (PG_ACTIVE | PG_INACTIVE)) != 0) &&
(p->flags & (PG_BUSY | PG_FICTITIOUS | PG_CACHE)) == 0) {
vm_page_hold(p);
pmap_enter_quick(pmap, addr + tmpoff, VM_PAGE_TO_PHYS(p));
@ -1620,6 +1622,7 @@ pmap_prefault(pmap, addra, entry, object)
if ((m->bmapped == 0) &&
(m->busy == 0) &&
((m->valid & VM_PAGE_BITS_ALL) == VM_PAGE_BITS_ALL) &&
((m->flags & (PG_ACTIVE | PG_INACTIVE)) != 0) &&
(m->flags & (PG_CACHE | PG_BUSY | PG_FICTITIOUS)) == 0) {
/*
* test results show that the system is faster when

5
sys/i386/i386/pmap.c
View File

@ -39,7 +39,7 @@
* SUCH DAMAGE.
*
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91
* $Id: pmap.c,v 1.43 1995/01/24 09:56:32 davidg Exp $
* $Id: pmap.c,v 1.44 1995/01/25 22:06:23 davidg Exp $
*/
/*
@ -1520,6 +1520,7 @@ pmap_object_init_pt(pmap, addr, object, offset, size)
if ((p->bmapped == 0) &&
(p->busy == 0) &&
((p->valid & VM_PAGE_BITS_ALL) == VM_PAGE_BITS_ALL) &&
((p->flags & (PG_ACTIVE | PG_INACTIVE)) != 0) &&
(p->flags & (PG_BUSY | PG_FICTITIOUS | PG_CACHE)) == 0) {
vm_page_hold(p);
pmap_enter_quick(pmap, addr + tmpoff, VM_PAGE_TO_PHYS(p));
@ -1536,6 +1537,7 @@ pmap_object_init_pt(pmap, addr, object, offset, size)
if (p && (p->bmapped == 0) &&
(p->busy == 0) &&
((p->valid & VM_PAGE_BITS_ALL) == VM_PAGE_BITS_ALL) &&
((p->flags & (PG_ACTIVE | PG_INACTIVE)) != 0) &&
(p->flags & (PG_BUSY | PG_FICTITIOUS | PG_CACHE)) == 0) {
vm_page_hold(p);
pmap_enter_quick(pmap, addr + tmpoff, VM_PAGE_TO_PHYS(p));
@ -1620,6 +1622,7 @@ pmap_prefault(pmap, addra, entry, object)
if ((m->bmapped == 0) &&
(m->busy == 0) &&
((m->valid & VM_PAGE_BITS_ALL) == VM_PAGE_BITS_ALL) &&
((m->flags & (PG_ACTIVE | PG_INACTIVE)) != 0) &&
(m->flags & (PG_CACHE | PG_BUSY | PG_FICTITIOUS)) == 0) {
/*
* test results show that the system is faster when