1 /* 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2026 The FreeBSD Foundation 5 */ 6 7 #ifndef _LINUXKPI_LINUX_CGROUP_DMEM_H_ 8 #define _LINUXKPI_LINUX_CGROUP_DMEM_H_ 9 10 #include <linux/types.h> 11 #include <linux/llist.h> 12 13 struct dmem_cgroup_pool_state; 14 struct dmem_cgroup_region; 15 16 static inline __printf(2,3) struct dmem_cgroup_region * 17 dmem_cgroup_register_region(uint64_t size, const char *name_fmt, ...) 18 { 19 return (NULL); 20 } 21 22 static inline void 23 dmem_cgroup_unregister_region(struct dmem_cgroup_region *region) 24 { 25 } 26 27 static inline int 28 dmem_cgroup_try_charge(struct dmem_cgroup_region *region, u64 size, 29 struct dmem_cgroup_pool_state **ret_pool, 30 struct dmem_cgroup_pool_state **ret_limit_pool) 31 { 32 *ret_pool = NULL; 33 34 if (ret_limit_pool) 35 *ret_limit_pool = NULL; 36 37 return (0); 38 } 39 40 static inline void 41 dmem_cgroup_uncharge(struct dmem_cgroup_pool_state *pool, uint64_t size) 42 { 43 } 44 45 static inline 46 bool dmem_cgroup_state_evict_valuable(struct dmem_cgroup_pool_state *limit_pool, 47 struct dmem_cgroup_pool_state *test_pool, 48 bool ignore_low, bool *ret_hit_low) 49 { 50 return (true); 51 } 52 53 static inline void 54 dmem_cgroup_pool_state_put(struct dmem_cgroup_pool_state *pool) 55 { 56 } 57 58 #endif /* _LINUXKPI_LINUX_CGROUP_DMEM_H_ */ 59