diff options
Diffstat (limited to 'arch/mips/include/asm/sparsemem.h')
| -rw-r--r-- | arch/mips/include/asm/sparsemem.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sparsemem.h b/arch/mips/include/asm/sparsemem.h new file mode 100644 index 000000000..b0686ca3d --- /dev/null +++ b/arch/mips/include/asm/sparsemem.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#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_MIPS_HUGE_TLB_SUPPORT) && defined(CONFIG_PAGE_SIZE_64KB) +# define SECTION_SIZE_BITS 29 +#else +# define SECTION_SIZE_BITS 28 +#endif +#define MAX_PHYSMEM_BITS 48 + +#endif /* CONFIG_SPARSEMEM */ +#endif /* _MIPS_SPARSEMEM_H */ |