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45 lines
971 B
45 lines
971 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __LINUX_SWAP_CGROUP_H |
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#define __LINUX_SWAP_CGROUP_H |
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#include <linux/swap.h> |
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#ifdef CONFIG_MEMCG_SWAP |
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extern unsigned short swap_cgroup_cmpxchg(swp_entry_t ent, |
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unsigned short old, unsigned short new); |
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extern unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id, |
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unsigned int nr_ents); |
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extern unsigned short lookup_swap_cgroup_id(swp_entry_t ent); |
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extern int swap_cgroup_swapon(int type, unsigned long max_pages); |
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extern void swap_cgroup_swapoff(int type); |
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#else |
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static inline |
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unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id, |
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unsigned int nr_ents) |
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{ |
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return 0; |
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} |
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static inline |
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unsigned short lookup_swap_cgroup_id(swp_entry_t ent) |
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{ |
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return 0; |
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} |
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static inline int |
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swap_cgroup_swapon(int type, unsigned long max_pages) |
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{ |
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return 0; |
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} |
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static inline void swap_cgroup_swapoff(int type) |
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{ |
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return; |
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} |
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#endif /* CONFIG_MEMCG_SWAP */ |
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#endif /* __LINUX_SWAP_CGROUP_H */
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