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1 | /* SPDX-License-Identifier: GPL-2.0 */ | |
2 | #ifndef __ACPI_NUMA_H | |
3 | #define __ACPI_NUMA_H | |
4 | ||
5 | #ifdef CONFIG_ACPI_NUMA | |
6 | #include <linux/kernel.h> | |
7 | #include <linux/numa.h> | |
8 | ||
9 | /* Proximity bitmap length */ | |
10 | #if MAX_NUMNODES > 256 | |
11 | #define MAX_PXM_DOMAINS MAX_NUMNODES | |
12 | #else | |
13 | #define MAX_PXM_DOMAINS (256) /* Old pxm spec is defined 8 bit */ | |
14 | #endif | |
15 | ||
16 | extern int pxm_to_node(int); | |
17 | extern int node_to_pxm(int); | |
18 | extern int acpi_map_pxm_to_node(int); | |
19 | extern unsigned char acpi_srat_revision; | |
20 | extern int acpi_numa __initdata; | |
21 | ||
22 | extern void bad_srat(void); | |
23 | extern int srat_disabled(void); | |
24 | ||
25 | #endif /* CONFIG_ACPI_NUMA */ | |
26 | #endif /* __ACP_NUMA_H */ |