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| author | dg <dg@FreeBSD.org> | 1994-08-04 03:06:48 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1994-08-04 03:06:48 +0000 |
| commit | 0711a9cff6e788c36f8cb95fb9682aaac7ad3c26 (patch) | |
| tree | f2060e88432520a2c43d879a7945ef77fac1f10e /sys/vm/vm_pageout.c | |
| parent | 9de51a06f5d7b329e5a4b7157ff464634db1d0c8 (diff) | |
| download | FreeBSD-src-0711a9cff6e788c36f8cb95fb9682aaac7ad3c26.zip FreeBSD-src-0711a9cff6e788c36f8cb95fb9682aaac7ad3c26.tar.gz | |
Integrated VM system improvements/fixes from FreeBSD-1.1.5.
Diffstat (limited to 'sys/vm/vm_pageout.c')
| -rw-r--r-- | sys/vm/vm_pageout.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/vm/vm_pageout.c b/sys/vm/vm_pageout.c index 99d7365..7c092bb 100644 --- a/sys/vm/vm_pageout.c +++ b/sys/vm/vm_pageout.c @@ -65,7 +65,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_pageout.c,v 1.4 1994/08/01 11:25:45 davidg Exp $ + * $Id: vm_pageout.c,v 1.5 1994/08/02 07:55:33 davidg Exp $ */ /* @@ -108,6 +108,7 @@ extern int swap_pager_ready(); #define LOWATER ((2048*1024)/NBPG) #define VM_PAGEOUT_PAGE_COUNT 8 +int vm_pageout_page_count = VM_PAGEOUT_PAGE_COUNT; static vm_offset_t vm_space_needed; int vm_pageout_req_do_stats; @@ -190,7 +191,7 @@ vm_pageout_clean(m, sync) ms[0] = m; if( pager = object->pager) { - for(i=1;i<VM_PAGEOUT_PAGE_COUNT;i++) { + for(i=1;i<vm_pageout_page_count;i++) { if( ms[i] = vm_page_lookup( object, offset+i*NBPG)) { if((((ms[i]->flags & (PG_CLEAN|PG_INACTIVE|PG_BUSY)) == PG_INACTIVE) || (( ms[i]->flags & PG_CLEAN) == 0 && sync == VM_PAGEOUT_FORCE)) @@ -619,7 +620,7 @@ rescan1: /* * if the next page has been re-activated, start scanning again */ - if (next && (next->flags & PG_INACTIVE) == 0) + if (!next || (next->flags & PG_INACTIVE) == 0) goto rescan1; } else if (pmap_is_referenced(VM_PAGE_TO_PHYS(m))) { pmap_clear_reference(VM_PAGE_TO_PHYS(m)); |
