projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| e900a918 DW |
1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | // Copyright(c) 2018 Intel Corporation. All rights reserved. | |
| 3 | #ifndef _MM_SHUFFLE_H | |
| 4 | #define _MM_SHUFFLE_H | |
| 5 | #include <linux/jump_label.h> | |
| 6 | ||
| 5e0a760b | 7 | #define SHUFFLE_ORDER MAX_PAGE_ORDER |
| e900a918 DW |
8 | |
| 9 | #ifdef CONFIG_SHUFFLE_PAGE_ALLOCATOR | |
| 10 | DECLARE_STATIC_KEY_FALSE(page_alloc_shuffle_key); | |
| e900a918 | 11 | extern void __shuffle_free_memory(pg_data_t *pgdat); |
| a2129f24 | 12 | extern bool shuffle_pick_tail(void); |
| f9f74dc2 | 13 | static inline void __meminit shuffle_free_memory(pg_data_t *pgdat) |
| e900a918 DW |
14 | { |
| 15 | if (!static_branch_unlikely(&page_alloc_shuffle_key)) | |
| 16 | return; | |
| 17 | __shuffle_free_memory(pgdat); | |
| 18 | } | |
| 19 | ||
| 20 | extern void __shuffle_zone(struct zone *z); | |
| f9f74dc2 | 21 | static inline void __meminit shuffle_zone(struct zone *z) |
| e900a918 DW |
22 | { |
| 23 | if (!static_branch_unlikely(&page_alloc_shuffle_key)) | |
| 24 | return; | |
| 25 | __shuffle_zone(z); | |
| 26 | } | |
| 97500a4a DW |
27 | |
| 28 | static inline bool is_shuffle_order(int order) | |
| 29 | { | |
| 30 | if (!static_branch_unlikely(&page_alloc_shuffle_key)) | |
| 31 | return false; | |
| 32 | return order >= SHUFFLE_ORDER; | |
| 33 | } | |
| e900a918 | 34 | #else |
| a2129f24 AD |
35 | static inline bool shuffle_pick_tail(void) |
| 36 | { | |
| 37 | return false; | |
| 38 | } | |
| 39 | ||
| e900a918 DW |
40 | static inline void shuffle_free_memory(pg_data_t *pgdat) |
| 41 | { | |
| 42 | } | |
| 43 | ||
| 44 | static inline void shuffle_zone(struct zone *z) | |
| 45 | { | |
| 46 | } | |
| 47 | ||
| 97500a4a DW |
48 | static inline bool is_shuffle_order(int order) |
| 49 | { | |
| 50 | return false; | |
| 51 | } | |
| e900a918 DW |
52 | #endif |
| 53 | #endif /* _MM_SHUFFLE_H */ |