File: mmzone.h

package info (click to toggle)
linux 6.12.43-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 1,676,260 kB
  • sloc: ansic: 25,921,022; asm: 269,579; sh: 136,424; python: 65,440; makefile: 55,721; perl: 37,752; xml: 19,284; cpp: 5,895; yacc: 4,927; lex: 2,939; awk: 1,594; sed: 28; ruby: 25
file content (42 lines) | stat: -rw-r--r-- 902 bytes parent folder | download | duplicates (19)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
 *
 * PowerPC64 port:
 * Copyright (C) 2002 Anton Blanchard, IBM Corp.
 */
#ifndef _ASM_MMZONE_H_
#define _ASM_MMZONE_H_
#ifdef __KERNEL__

#include <linux/cpumask.h>

/*
 * generic non-linear memory support:
 *
 * 1) we will not split memory into more chunks than will fit into the
 *    flags field of the struct page
 */

#ifdef CONFIG_NUMA

/*
 * Following are specific to this numa platform.
 */

extern int numa_cpu_lookup_table[];
extern cpumask_var_t node_to_cpumask_map[];
#ifdef CONFIG_MEMORY_HOTPLUG
extern unsigned long max_pfn;
u64 memory_hotplug_max(void);
u64 hot_add_drconf_memory_max(void);
#else
#define memory_hotplug_max() memblock_end_of_DRAM()
#endif

#else
#define memory_hotplug_max() memblock_end_of_DRAM()
#endif /* CONFIG_NUMA */

#endif /* __KERNEL__ */
#endif /* _ASM_MMZONE_H_ */