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authordg <dg@FreeBSD.org>1994-09-06 11:28:46 +0000
committerdg <dg@FreeBSD.org>1994-09-06 11:28:46 +0000
commit0a37b9feee7e1a4cb95ccd92aeefad357461c1bc (patch)
treea873abe9bc8150a051227c51e5cf5d3a2e87e632 /sys/vm/vm_page.h
parenta4e49c14f0579f312227bb13ffaf55f7d1124673 (diff)
downloadFreeBSD-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.h3
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 */
};
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