OpenCloudOS-Kernel/arch/mips/include/asm/sparsemem.h

18 lines
445 B
C

#ifndef _MIPS_SPARSEMEM_H
#define _MIPS_SPARSEMEM_H
#ifdef CONFIG_SPARSEMEM
/*
* SECTION_SIZE_BITS 2^N: how big each section will be
* MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
*/
#if defined(CONFIG_HUGETLB_PAGE) && defined(CONFIG_PAGE_SIZE_64KB)
# define SECTION_SIZE_BITS 29
#else
# define SECTION_SIZE_BITS 28
#endif
#define MAX_PHYSMEM_BITS 35
#endif /* CONFIG_SPARSEMEM */
#endif /* _MIPS_SPARSEMEM_H */