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#ifndef KMEMPAGERECORDER
#include <linux/types.h>
#define OBJECT_TABLE_SIZE 1543
#define BACKTRACE_SIZE 10
#define BACKTRACE_LEVEL 10
/* 2^31 + 2^29 - 2^25 + 2^22 - 2^19 - 2^16 + 1 */
#define GOLDEN_RATIO_PRIME_32 0x9e370001UL
typedef enum {
NODE_PAGE_RECORD,
NODE_PAGE_MAX
} PAGE_RECORD_TYPE;
typedef enum {
HASH_PAGE_NODE_KERNEL_BACKTRACE,
HASH_PAGE_NODE_KERNEL_SYMBOL,
HASH_PAGE_NODE_KERNEL_PAGE_ALLOC_BACKTRACE,
HASH_PAGE_NODE_MAX
} PAGE_HASH_NODE_TYPE;
/* for BT */
typedef struct PageObjectEntry {
size_t slot;
struct PageObjectEntry *prev;
struct PageObjectEntry *next;
size_t numEntries;
size_t reference;
unsigned int size;
void *object[0];
} PageObjectEntry, *PPageObjectEntry;
typedef struct {
size_t count;
PageObjectEntry *slots[OBJECT_TABLE_SIZE];
} PageObjectTable, *PPageObjectTable;
typedef struct page_BT {
unsigned int numEntries;
void *backtrace[0];
} page_BT, *page_PBT;
/* for page */
typedef struct PageHashEntry {
void *page;
unsigned int size;
struct PageHashEntry *prev;
struct PageHashEntry *next;
PPageObjectEntry allocate_map_entry;
PPageObjectEntry bt_entry;
page_PBT free_bt;
unsigned int flag;
} PageHashEntry, *PPageHashEntry;
typedef struct {
size_t count;
size_t table_size;
PageHashEntry *page_hash_table[OBJECT_TABLE_SIZE];
} PageHashTable;
struct page_mapping {
char *name;
unsigned int address;
unsigned int size;
};
typedef struct page_record_param {
unsigned int *page;
unsigned int address_type;
unsigned int address;
unsigned int length;
unsigned int backtrace[BACKTRACE_SIZE];
unsigned int backtrace_num;
unsigned int kernel_symbol[BACKTRACE_SIZE];
struct page_mapping mapping_record[BACKTRACE_SIZE];
unsigned int size;
} page_record_t;
/* rank object */
struct page_object_rank_entry {
PageObjectEntry *entry;
struct page_object_rank_entry *prev;
struct page_object_rank_entry *next;
};
void page_debug_show_backtrace(void);
int record_page_record(void *page, unsigned int order);
int remove_page_record(void *page, unsigned int order);
void disable_page_alloc_tracer(void);
#endif
#ifndef KMEMPAGERECORDER
#define KMEMPAGERECORDER
#endif
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