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Update the synchronization requirements for the page usage count.

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Alan Cox 2010-05-07 06:58:53 +00:00
parent 7072188017
commit c1f98960a3
1 changed files with 1 additions and 1 deletions
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sys/vm/vm_page.h
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@ -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 */