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| 66 | typedef struct { |
66 | typedef struct { |
| 67 | link_t link; |
67 | link_t link; |
| 68 | count_t busy; /**< Count of full slots in magazine */ |
68 | count_t busy; /**< Count of full slots in magazine */ |
| 69 | count_t size; /**< Number of slots in magazine */ |
69 | count_t size; /**< Number of slots in magazine */ |
| 70 | void *objs[0]; /**< Slots in magazine */ |
70 | void *objs[0]; /**< Slots in magazine */ |
| 71 | }slab_magazine_t; |
71 | } slab_magazine_t; |
| 72 | 72 | ||
| 73 | typedef struct { |
73 | typedef struct { |
| 74 | slab_magazine_t *current; |
74 | slab_magazine_t *current; |
| 75 | slab_magazine_t *last; |
75 | slab_magazine_t *last; |
| 76 | SPINLOCK_DECLARE(lock); |
76 | SPINLOCK_DECLARE(lock); |
| 77 | }slab_mag_cache_t; |
77 | } slab_mag_cache_t; |
| 78 | 78 | ||
| 79 | 79 | ||
| 80 | typedef struct { |
80 | typedef struct { |
| 81 | char *name; |
81 | char *name; |
| 82 | 82 | ||
| 83 | link_t link; |
83 | link_t link; |
| 84 | /* Configuration */ |
84 | /* Configuration */ |
| 85 | size_t size; /**< Size of slab position - align_up(sizeof(obj)) */ |
85 | size_t size; /**< Size of slab position - align_up(sizeof(obj)) */ |
| 86 | int (*constructor)(void *obj, int kmflag); |
86 | int (*constructor)(void *obj, int kmflag); |
| 87 | int (*destructor)(void *obj); |
87 | int (*destructor)(void *obj); |
| 88 | int flags; /**< Flags changing behaviour of cache */ |
88 | int flags; /**< Flags changing behaviour of cache */ |
| 89 | 89 | ||
| 90 | /* Computed values */ |
90 | /* Computed values */ |
| 91 | uint8_t order; /**< Order of frames to be allocated */ |
91 | uint8_t order; /**< Order of frames to be allocated */ |
| 92 | int objects; /**< Number of objects that fit in */ |
92 | int objects; /**< Number of objects that fit in */ |
| 93 | 93 | ||
| 94 | /* Statistics */ |
94 | /* Statistics */ |
| 95 | atomic_t allocated_slabs; |
95 | atomic_t allocated_slabs; |
| 96 | atomic_t allocated_objs; |
96 | atomic_t allocated_objs; |
| 97 | atomic_t cached_objs; |
97 | atomic_t cached_objs; |
| 98 | atomic_t magazine_counter; /**< How many magazines in magazines list */ |
98 | atomic_t magazine_counter; /**< How many magazines in magazines list */ |
| 99 | 99 | ||
| 100 | /* Slabs */ |
100 | /* Slabs */ |
| 101 | link_t full_slabs; /**< List of full slabs */ |
101 | link_t full_slabs; /**< List of full slabs */ |
| 102 | link_t partial_slabs; /**< List of partial slabs */ |
102 | link_t partial_slabs; /**< List of partial slabs */ |
| 103 | SPINLOCK_DECLARE(slablock); |
103 | SPINLOCK_DECLARE(slablock); |
| 104 | /* Magazines */ |
104 | /* Magazines */ |
| 105 | link_t magazines; /**< List o full magazines */ |
105 | link_t magazines /**< List o full magazines */ |
| 106 | SPINLOCK_DECLARE(maglock); |
106 | SPINLOCK_DECLARE(maglock); |
| 107 | 107 | ||
| 108 | /** CPU cache */ |
108 | /** CPU cache */ |
| 109 | slab_mag_cache_t *mag_cache; |
109 | slab_mag_cache_t *mag_cache; |
| 110 | }slab_cache_t; |
110 | } slab_cache_t; |
| 111 | 111 | ||
| 112 | extern slab_cache_t * slab_cache_create(char *name, |
112 | extern slab_cache_t * slab_cache_create(char *name, |
| 113 | size_t size, |
113 | size_t size, |
| 114 | size_t align, |
114 | size_t align, |
| 115 | int (*constructor)(void *obj, int kmflag), |
115 | int (*constructor)(void *obj, int kmflag), |