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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /kernel/sched/cpudeadline.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'kernel/sched/cpudeadline.h')
| -rw-r--r-- | kernel/sched/cpudeadline.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/kernel/sched/cpudeadline.h b/kernel/sched/cpudeadline.h new file mode 100644 index 000000000..0adeda93b --- /dev/null +++ b/kernel/sched/cpudeadline.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#define IDX_INVALID -1 + +struct cpudl_item { + u64 dl; + int cpu; + int idx; +}; + +struct cpudl { + raw_spinlock_t lock; + int size; + cpumask_var_t free_cpus; + struct cpudl_item *elements; +}; + +#ifdef CONFIG_SMP +int cpudl_find(struct cpudl *cp, struct task_struct *p, struct cpumask *later_mask); +void cpudl_set(struct cpudl *cp, int cpu, u64 dl); +void cpudl_clear(struct cpudl *cp, int cpu); +int cpudl_init(struct cpudl *cp); +void cpudl_set_freecpu(struct cpudl *cp, int cpu); +void cpudl_clear_freecpu(struct cpudl *cp, int cpu); +void cpudl_cleanup(struct cpudl *cp); +#endif /* CONFIG_SMP */ |