1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _MIPS_SPARSEMEM_H 3#define _MIPS_SPARSEMEM_H 4#ifdef CONFIG_SPARSEMEM 5 6/* 7 * SECTION_SIZE_BITS 2^N: how big each section will be 8 * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space 9 */ 10#if defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) && defined(CONFIG_PAGE_SIZE_64KB) 11# define SECTION_SIZE_BITS 29 12#else 13# define SECTION_SIZE_BITS 28 14#endif 15#define MAX_PHYSMEM_BITS 48 16 17#endif /* CONFIG_SPARSEMEM */ 18#endif /* _MIPS_SPARSEMEM_H */ 19