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author | dg <dg@FreeBSD.org> | 1994-09-06 11:28:46 +0000 |
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committer | dg <dg@FreeBSD.org> | 1994-09-06 11:28:46 +0000 |
commit | 0a37b9feee7e1a4cb95ccd92aeefad357461c1bc (patch) | |
tree | a873abe9bc8150a051227c51e5cf5d3a2e87e632 /sys/vm/vm_page.h | |
parent | a4e49c14f0579f312227bb13ffaf55f7d1124673 (diff) | |
download | FreeBSD-src-0a37b9feee7e1a4cb95ccd92aeefad357461c1bc.zip FreeBSD-src-0a37b9feee7e1a4cb95ccd92aeefad357461c1bc.tar.gz |
Simple changes to paging algorithms...but boy do they make a difference.
FreeBSD's paging performance has never been better. Wow.
Submitted by: John Dyson
Diffstat (limited to 'sys/vm/vm_page.h')
-rw-r--r-- | sys/vm/vm_page.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/vm/vm_page.h b/sys/vm/vm_page.h index 9dc6054..ee049aa 100644 --- a/sys/vm/vm_page.h +++ b/sys/vm/vm_page.h @@ -61,7 +61,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_page.h,v 1.3 1994/08/02 07:55:32 davidg Exp $ + * $Id: vm_page.h,v 1.4 1994/08/04 03:06:45 davidg Exp $ */ /* @@ -111,6 +111,7 @@ struct vm_page { u_short flags; /* see below */ short hold_count; /* page hold count */ u_short act_count; /* page usage count */ + u_short busy; /* page busy count */ vm_offset_t phys_addr; /* physical address of page */ }; |