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	vm_page_t PHYS_TO_VM_PAGE(vm_paddr_t pa);			vm_page_t PHYS_TO_VM_PAGE(vm_paddr_t pa);

	/*			/*
	* Page allocation parameters for vm_page for the functions			* Page allocation parameters for vm_page for the functions
	* vm_page_alloc(), vm_page_grab(), vm_page_alloc_contig() and			* vm_page_alloc(), vm_page_grab(), vm_page_alloc_contig() and
	* vm_page_alloc_freelist(). Some functions support only a subset			* vm_page_alloc_freelist(). Some functions support only a subset
	* of the flags, and ignore others, see the flags legend.			* of the flags, and ignore others, see the flags legend.
	*			*
	* The meaning of VM_ALLOC_ZERO differs slightly between the vm_page_alloc*()			* vm_page_grab* functions will set the page state to valid if
	* and the vm_page_grab*() functions. See these functions for details.			* VM_ALLOC_ZERO is set.
	*			*
	* Bits 0 - 1 define class.			* Bits 0 - 1 define class.
	* Bits 2 - 15 dedicated for flags.			* Bits 2 - 15 dedicated for flags.
	* Legend:			* Legend:
	* (a) - vm_page_alloc() supports the flag.			* (a) - vm_page_alloc() supports the flag.
	* (c) - vm_page_alloc_contig() supports the flag.			* (c) - vm_page_alloc_contig() supports the flag.
	* (f) - vm_page_alloc_freelist() supports the flag.			* (f) - vm_page_alloc_freelist() supports the flag.
	* (g) - vm_page_grab() supports the flag.			* (g) - vm_page_grab() supports the flag.
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