/* SPDX-License-Identifier: MIT */ /* * Copyright © 2023-2024 Intel Corporation #ifndef _CGROUP_DMEM_H#define _CGROUP_DMEM_H#include <linux/types.h>#include <linux/llist.h>struct dmem_cgroup_pool_state;/* Opaque definition of a cgroup region, used internally */ struct dmem_cgroup_region;#if IS_ENABLED(CONFIG_CGROUP_DMEM)struct dmem_cgroup_region *dmem_cgroup_register_region(u64 size, const char *name_fmt, ...) __printf(2,3);void dmem_cgroup_unregister_region(struct dmem_cgroup_region *region);int dmem_cgroup_try_charge(struct dmem_cgroup_region *region, u64 size,struct dmem_cgroup_pool_state **ret_pool,struct dmem_cgroup_pool_state **ret_limit_pool);void dmem_cgroup_uncharge(struct dmem_cgroup_pool_state *pool, u64 size);bool dmem_cgroup_state_evict_valuable(struct dmem_cgroup_pool_state *limit_pool,struct dmem_cgroup_pool_state *test_pool,bool ignore_low, bool *ret_hit_low);void dmem_cgroup_pool_state_put(struct dmem_cgroup_pool_state *pool);#else static inline __printf(2,3) struct dmem_cgroup_region *const char *name_fmt, ...)return NULL;static inline void dmem_cgroup_unregister_region(struct dmem_cgroup_region *region)static inline int dmem_cgroup_try_charge(struct dmem_cgroup_region *region, u64 size,struct dmem_cgroup_pool_state **ret_pool,struct dmem_cgroup_pool_state **ret_limit_pool)if (ret_limit_pool)return 0;static inline void dmem_cgroup_uncharge(struct dmem_cgroup_pool_state *pool, u64 size)static inline bool dmem_cgroup_state_evict_valuable(struct dmem_cgroup_pool_state *limit_pool,struct dmem_cgroup_pool_state *test_pool,bool ignore_low, bool *ret_hit_low)return true ;static inline void dmem_cgroup_pool_state_put(struct dmem_cgroup_pool_state *pool)#endif #endif /* _CGROUP_DMEM_H */ quality 100%
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