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/* * Definitions for parameters to vm_deactivate and vm_set_policy. * * Copyright (c) 1993 NeXT, Inc. * * HISTORY * * 23Jan93 Brian Pinkerton at NeXT * Created. */ #ifndef _VM_POLICY_H #define _VM_POLICY_H /* * Flags for vm_deactivate */ #define VM_DEACTIVATE_NOW 0x0 /* most aggressive: free mem */ #define VM_DEACTIVATE_SOON 0x1 /* less aggressive */ #define VM_DEACTIVATE_SHARED 0x2 /* deactivate shared mem too */ /* * Flags for vm_set_policy */ #define VM_POLICY_RANDOM 0x0 /* access pattern is random */ #define VM_POLICY_SEQ_FREE 0x1 /* free pages on sequential */ #define VM_POLICY_SEQ_DEACTIVATE 0x2 /* deactivate pages on seq */ #define VM_POLICY_PAGE_AHEAD 0x4 /* page ahead */ #define VM_POLICY_SEQUENTIAL (VM_POLICY_SEQ_FREE | VM_POLICY_SEQ_DEACTIVATE) #endif
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