xref: /openbmc/linux/arch/mips/include/asm/sparsemem.h (revision b2441318)
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