License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[sfrench/cifs-2.6.git] / arch / ia64 / include / asm / sparsemem.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_IA64_SPARSEMEM_H
3 #define _ASM_IA64_SPARSEMEM_H
4
5 #ifdef CONFIG_SPARSEMEM
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
11 #define SECTION_SIZE_BITS       (30)
12 #define MAX_PHYSMEM_BITS        (50)
13 #ifdef CONFIG_FORCE_MAX_ZONEORDER
14 #if ((CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS)
15 #undef SECTION_SIZE_BITS
16 #define SECTION_SIZE_BITS (CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT)
17 #endif
18 #endif
19
20 #endif /* CONFIG_SPARSEMEM */
21 #endif /* _ASM_IA64_SPARSEMEM_H */