add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/include/linux/swap_slots.h
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@@ -23,7 +23,7 @@
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 void disable_swap_slots_cache_lock(void);
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 void reenable_swap_slots_cache_unlock(void);
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-int enable_swap_slots_cache(void);
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+void enable_swap_slots_cache(void);
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 int free_swap_slot(swp_entry_t entry);
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 extern bool swap_slot_cache_enabled;