1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 27f30491cSTony Luck #ifndef _ASM_IA64_SPARSEMEM_H 37f30491cSTony Luck #define _ASM_IA64_SPARSEMEM_H 47f30491cSTony Luck 57f30491cSTony Luck #ifdef CONFIG_SPARSEMEM 632c2bc8fSMike Rapoport #include <asm/page.h> 77f30491cSTony Luck /* 87f30491cSTony Luck * SECTION_SIZE_BITS 2^N: how big each section will be 97f30491cSTony Luck * MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space 107f30491cSTony Luck */ 117f30491cSTony Luck 127f30491cSTony Luck #define SECTION_SIZE_BITS (30) 137f30491cSTony Luck #define MAX_PHYSMEM_BITS (50) 140192445cSZi Yan #ifdef CONFIG_ARCH_FORCE_MAX_ORDER 15*23baf831SKirill A. Shutemov #if (CONFIG_ARCH_FORCE_MAX_ORDER + PAGE_SHIFT > SECTION_SIZE_BITS) 167f30491cSTony Luck #undef SECTION_SIZE_BITS 17*23baf831SKirill A. Shutemov #define SECTION_SIZE_BITS (CONFIG_ARCH_FORCE_MAX_ORDER + PAGE_SHIFT) 187f30491cSTony Luck #endif 197f30491cSTony Luck #endif 207f30491cSTony Luck 217f30491cSTony Luck #endif /* CONFIG_SPARSEMEM */ 22a927bd6bSDan Williams 23a927bd6bSDan Williams #ifdef CONFIG_MEMORY_HOTPLUG 24a927bd6bSDan Williams int memory_add_physaddr_to_nid(u64 addr); 25a927bd6bSDan Williams #define memory_add_physaddr_to_nid memory_add_physaddr_to_nid 26a927bd6bSDan Williams #endif 27a927bd6bSDan Williams 287f30491cSTony Luck #endif /* _ASM_IA64_SPARSEMEM_H */ 29