add some advice symbols we'll eventually need
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@ -1,4 +1,4 @@
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/* $NetBSD: uvm_extern.h,v 1.155 2009/06/28 15:18:50 rmind Exp $ */
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/* $NetBSD: uvm_extern.h,v 1.156 2009/08/05 14:10:33 pooka Exp $ */
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/*
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*
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@ -132,7 +132,9 @@ typedef voff_t pgoff_t; /* XXX: number of pages within a uvm object */
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#define UVM_ADV_NORMAL 0x0 /* 'normal' */
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#define UVM_ADV_RANDOM 0x1 /* 'random' */
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#define UVM_ADV_SEQUENTIAL 0x2 /* 'sequential' */
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/* 0x3: will need, 0x4: dontneed */
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#define UVM_ADV_WILLNEED 0x3 /* pages will be needed */
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#define UVM_ADV_DONTNEED 0x4 /* pages won't be needed */
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#define UVM_ADV_NOREUSE 0x5 /* pages will be used only once */
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#define UVM_ADV_MASK 0x7 /* mask */
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/* bits 0xffff0000: mapping flags */
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