cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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numa_balancing.h (1292B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _LINUX_SCHED_NUMA_BALANCING_H
      3#define _LINUX_SCHED_NUMA_BALANCING_H
      4
      5/*
      6 * This is the interface between the scheduler and the MM that
      7 * implements memory access pattern based NUMA-balancing:
      8 */
      9
     10#include <linux/sched.h>
     11
     12#define TNF_MIGRATED	0x01
     13#define TNF_NO_GROUP	0x02
     14#define TNF_SHARED	0x04
     15#define TNF_FAULT_LOCAL	0x08
     16#define TNF_MIGRATE_FAIL 0x10
     17
     18#ifdef CONFIG_NUMA_BALANCING
     19extern void task_numa_fault(int last_node, int node, int pages, int flags);
     20extern pid_t task_numa_group_id(struct task_struct *p);
     21extern void set_numabalancing_state(bool enabled);
     22extern void task_numa_free(struct task_struct *p, bool final);
     23extern bool should_numa_migrate_memory(struct task_struct *p, struct page *page,
     24					int src_nid, int dst_cpu);
     25#else
     26static inline void task_numa_fault(int last_node, int node, int pages,
     27				   int flags)
     28{
     29}
     30static inline pid_t task_numa_group_id(struct task_struct *p)
     31{
     32	return 0;
     33}
     34static inline void set_numabalancing_state(bool enabled)
     35{
     36}
     37static inline void task_numa_free(struct task_struct *p, bool final)
     38{
     39}
     40static inline bool should_numa_migrate_memory(struct task_struct *p,
     41				struct page *page, int src_nid, int dst_cpu)
     42{
     43	return true;
     44}
     45#endif
     46
     47#endif /* _LINUX_SCHED_NUMA_BALANCING_H */