1#ifndef _ASM_IA64_SPARSEMEM_H
 2#define _ASM_IA64_SPARSEMEM_H
 3
 4#ifdef CONFIG_SPARSEMEM
 5/*
 6 * SECTION_SIZE_BITS            2^N: how big each section will be
 7 * MAX_PHYSMEM_BITS             2^N: how much memory we can have in that space
 8 */
 9
10#define SECTION_SIZE_BITS	(30)
11#define MAX_PHYSMEM_BITS	(50)
12#ifdef CONFIG_FORCE_MAX_ZONEORDER
13#if ((CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS)
14#undef SECTION_SIZE_BITS
15#define SECTION_SIZE_BITS (CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT)
16#endif
17#endif
18
19#endif /* CONFIG_SPARSEMEM */
20#endif /* _ASM_IA64_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 */