68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _TEXT_UNEVICTABLE_H
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#define _TEXT_UNEVICTABLE_H
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struct mem_cgroup;
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#ifdef CONFIG_TEXT_UNEVICTABLE
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DECLARE_STATIC_KEY_FALSE(unevictable_enabled_key);
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static inline bool unevictable_enabled(void)
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{
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return static_branch_unlikely(&unevictable_enabled_key);
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}
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bool is_memcg_unevictable_enabled(struct mem_cgroup *memcg);
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void memcg_increase_unevict_size(struct mem_cgroup *memcg, unsigned long size);
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void memcg_decrease_unevict_size(struct mem_cgroup *memcg, unsigned long size);
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bool is_unevictable_size_overflow(struct mem_cgroup *memcg);
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unsigned long memcg_exstat_text_unevict_gather(struct mem_cgroup *memcg);
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void mem_cgroup_can_unevictable(struct task_struct *tsk, struct mem_cgroup *to);
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void mem_cgroup_cancel_unevictable(struct cgroup_taskset *tset);
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void memcg_all_processes_unevict(struct mem_cgroup *memcg, bool enable);
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void del_unevict_task(struct task_struct *tsk);
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void clean_task_unevict_size(struct task_struct *tsk);
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#else
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static inline bool unevictable_enabled(void)
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{
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return false;
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}
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static inline bool is_memcg_unevictable_enabled(struct mem_cgroup *memcg)
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{
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return false;
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}
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static inline void memcg_increase_unevict_size(struct mem_cgroup *memcg,
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unsigned long size)
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{
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}
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static inline void memcg_decrease_unevict_size(struct mem_cgroup *memcg,
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unsigned long size)
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{
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}
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static inline bool is_unevictable_size_overflow(struct mem_cgroup *memcg)
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{
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return false;
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}
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static inline unsigned long memcg_exstat_text_unevict_gather(struct mem_cgroup *memcg)
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{
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return 0;
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}
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static inline void mem_cgroup_can_unevictable(struct task_struct *tsk,
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struct mem_cgroup *to)
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{
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}
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static inline void mem_cgroup_cancel_unevictable(struct cgroup_taskset *tset)
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{
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}
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static inline void memcg_all_processes_unevict(struct mem_cgroup *memcg, bool enable)
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{
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}
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static inline void del_unevict_task(struct task_struct *tsk)
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{
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}
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static inline void clean_task_unevict_size(struct task_struct *tsk)
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{
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}
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#endif
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#endif
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