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	#define L2_PAGE_SIZE_SHIFT 30			#define L2_PAGE_SIZE_SHIFT 30
	#define L2_PAGE_SIZE (1UL<<L2_PAGE_SIZE_SHIFT)			#define L2_PAGE_SIZE (1UL<<L2_PAGE_SIZE_SHIFT)
	#define L2_PAGE_MASK (L2_PAGE_SIZE-1)			#define L2_PAGE_MASK (L2_PAGE_SIZE-1)

	#define L3_PAGE_SIZE_SHIFT 21			#define L3_PAGE_SIZE_SHIFT 21
	#define L3_PAGE_SIZE (1UL<<L3_PAGE_SIZE_SHIFT)			#define L3_PAGE_SIZE (1UL<<L3_PAGE_SIZE_SHIFT)
	#define L3_PAGE_MASK (L3_PAGE_SIZE-1)			#define L3_PAGE_MASK (L3_PAGE_SIZE-1)

				/*
				* On PowerPC64, make PDRSHIFT cover a 16MB superpage (HPT).
				* This allows a single PV lock to protect all pages of a superpage.
				* This is not needed with Radix MMU, but should do no harm either.
				*/
				#ifdef __powerpc64__
				#define PDRSHIFT 24
				#endif

	#define MAXPAGESIZES 3 /* maximum number of supported page sizes */			#define MAXPAGESIZES 3 /* maximum number of supported page sizes */

	#define RELOCATABLE_KERNEL 1 /* kernel may relocate during startup */			#define RELOCATABLE_KERNEL 1 /* kernel may relocate during startup */

	#ifndef KSTACK_PAGES			#ifndef KSTACK_PAGES
	#ifdef __powerpc64__			#ifdef __powerpc64__
	#define KSTACK_PAGES 12 /* includes pcb */			#define KSTACK_PAGES 12 /* includes pcb */
	#else			#else
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