[linux-2.6-block.git] / arch / powerpc / include / asm / book3s / 64 / radix-64k.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_PGTABLE_RADIX_64K_H
#define _ASM_POWERPC_PGTABLE_RADIX_64K_H

/*
 * For 64K page size supported index is 13/9/9/5
 */
#define RADIX_PTE_INDEX_SIZE  5  /* 2MB huge page */
#define RADIX_PMD_INDEX_SIZE  9  /* 1G huge page */
#define RADIX_PUD_INDEX_SIZE	 9
#define RADIX_PGD_INDEX_SIZE  13

/*
 * We use a 256 byte PTE page fragment in radix
 * 8 bytes per each PTE entry.
 */
#define RADIX_PTE_FRAG_SIZE_SHIFT  (RADIX_PTE_INDEX_SIZE + 3)
#define RADIX_PTE_FRAG_NR	(PAGE_SIZE >> RADIX_PTE_FRAG_SIZE_SHIFT)
#endif /* _ASM_POWERPC_PGTABLE_RADIX_64K_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
b0b5e9b1 AK	2	#ifndef _ASM_POWERPC_PGTABLE_RADIX_64K_H
	3	#define _ASM_POWERPC_PGTABLE_RADIX_64K_H
	4
	5	/*
	6	* For 64K page size supported index is 13/9/9/5
	7	*/
	8	#define RADIX_PTE_INDEX_SIZE 5 /* 2MB huge page */
	9	#define RADIX_PMD_INDEX_SIZE 9 /* 1G huge page */
	10	#define RADIX_PUD_INDEX_SIZE 9
	11	#define RADIX_PGD_INDEX_SIZE 13
	12
fb4e5dbd AK	13	/*
	14	* We use a 256 byte PTE page fragment in radix
	15	* 8 bytes per each PTE entry.
	16	*/
	17	#define RADIX_PTE_FRAG_SIZE_SHIFT (RADIX_PTE_INDEX_SIZE + 3)
	18	#define RADIX_PTE_FRAG_NR (PAGE_SIZE >> RADIX_PTE_FRAG_SIZE_SHIFT)
b0b5e9b1	19	#endif /* _ASM_POWERPC_PGTABLE_RADIX_64K_H */