| // SPDX-License-Identifier: GPL-2.0 |
| // Copyright(c) 2018 Intel Corporation. All rights reserved. |
| #include <linux/jump_label.h> |
| #define SHUFFLE_ORDER (MAX_ORDER-1) |
| #ifdef CONFIG_SHUFFLE_PAGE_ALLOCATOR |
| DECLARE_STATIC_KEY_FALSE(page_alloc_shuffle_key); |
| extern void __shuffle_free_memory(pg_data_t *pgdat); |
| extern bool shuffle_pick_tail(void); |
| static inline void shuffle_free_memory(pg_data_t *pgdat) |
| if (!static_branch_unlikely(&page_alloc_shuffle_key)) |
| __shuffle_free_memory(pgdat); |
| extern void __shuffle_zone(struct zone *z); |
| static inline void shuffle_zone(struct zone *z) |
| if (!static_branch_unlikely(&page_alloc_shuffle_key)) |
| static inline bool is_shuffle_order(int order) |
| if (!static_branch_unlikely(&page_alloc_shuffle_key)) |
| return order >= SHUFFLE_ORDER; |
| static inline bool shuffle_pick_tail(void) |
| static inline void shuffle_free_memory(pg_data_t *pgdat) |
| static inline void shuffle_zone(struct zone *z) |
| static inline bool is_shuffle_order(int order) |
| #endif /* _MM_SHUFFLE_H */ |