Author: alc
Date: Fri May 7 06:58:53 2010
New Revision: 207740
URL: http://svn.freebsd.org/changeset/base/207740
Log:
Update the synchronization requirements for the page usage count.
Modified:
head/sys/vm/vm_page.h
Modified: head/sys/vm/vm_page.h
==============================================================================
--- head/sys/vm/vm_page.h Fri May 7 05:23:15 2010 (r207739)
+++ head/sys/vm/vm_page.h Fri May 7 06:58:53 2010 (r207740)
@@ -116,7 +116,7 @@ struct vm_page {
u_int wire_count; /* wired down maps refs (P) */
short hold_count; /* page hold count (P) */
u_short oflags; /* page flags (O) */
- u_char act_count; /* page usage count (Q) */
+ u_char act_count; /* page usage count (P) */
u_char busy; /* page busy count (O) */
/* NOTE that these must support one bit per DEV_BSIZE in a page!!! */
/* so, on normal X86 kernels, they must be at least 8 bits wide */
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