Files
2024-06-17 20:18:01 +08:00

32 lines
781 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LOONGARCH_SPARSEMEM_H
#define _LOONGARCH_SPARSEMEM_H
#ifdef CONFIG_SPARSEMEM
/*
* SECTION_SIZE_BITS 2^N: how big each section will be
* MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
*/
#define SECTION_SIZE_BITS 28
#define MAX_PHYSMEM_BITS 48
#ifndef CONFIG_SPARSEMEM_VMEMMAP
#define VMEMMAP_SIZE 0
#else
#define VMEMMAP_SIZE (sizeof(struct page) * (1UL << (cpu_pabits + 1 - PAGE_SHIFT)))
#endif
#include <linux/mm_types.h>
#endif /* CONFIG_SPARSEMEM */
#ifdef CONFIG_MEMORY_HOTPLUG
int memory_add_physaddr_to_nid(u64 addr);
#define memory_add_physaddr_to_nid memory_add_physaddr_to_nid
#endif
#define INIT_MEMBLOCK_RESERVED_REGIONS (INIT_MEMBLOCK_REGIONS + NR_CPUS)
#endif /* _LOONGARCH_SPARSEMEM_H */