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# Memory Pool
---
## Object Definitions
```c
#define POOL_HEADER(STRUCT) struct STRUCT *prev, *next; uint32_t obj_size
typedef struct _kpl_pool_obj {
POOL_HEADER(_kpl_pool_obj);
} kpl_pool_obj;
typedef void kpl_pool_on_fn(void *obj);
typedef strut {
_Atomic int32_t allocs;
kpl_pool_obj *root;
kpl_pool_on_fn *on_init, *on_free;
pthread_spinlock_t lock;
} kpl_pool;
static kpl_pool_obj *kpl_pool_head;
```
## Object Size
The max size of an object in the pool is 2 \*\* 32
This allows for 4 aligned bytes after the `POOL_HEADER` macro
## List Management
## Tree Management
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