treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
[sfrench/cifs-2.6.git] / arch / mips / include / asm / sparsemem.h
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 */