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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef __ACPI_NUMA_H
- #define __ACPI_NUMA_H
- #ifdef CONFIG_ACPI_NUMA
- #include <linux/numa.h>
- /* Proximity bitmap length */
- #if MAX_NUMNODES > 256
- #define MAX_PXM_DOMAINS MAX_NUMNODES
- #else
- #define MAX_PXM_DOMAINS (256) /* Old pxm spec is defined 8 bit */
- #endif
- extern int pxm_to_node(int);
- extern int node_to_pxm(int);
- extern int acpi_map_pxm_to_node(int);
- extern unsigned char acpi_srat_revision;
- extern void disable_srat(void);
- extern void bad_srat(void);
- extern int srat_disabled(void);
- #else /* CONFIG_ACPI_NUMA */
- static inline void disable_srat(void)
- {
- }
- static inline int pxm_to_node(int pxm)
- {
- return 0;
- }
- static inline int node_to_pxm(int node)
- {
- return 0;
- }
- #endif /* CONFIG_ACPI_NUMA */
- #ifdef CONFIG_ACPI_HMAT
- extern void disable_hmat(void);
- #else /* CONFIG_ACPI_HMAT */
- static inline void disable_hmat(void)
- {
- }
- #endif /* CONFIG_ACPI_HMAT */
- #endif /* __ACPI_NUMA_H */
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