sorce file contain
struct kmem_cache_s {
/* 1) each alloc & free */
/* full, partial first, then free */
struct list_head slabs_full;
struct list_head slabs_partial;
struct list_head slabs_free;
unsigned int objsize;
unsigned int flags; /* constant flags */
unsigned int num; /* # of objs per slab */
spinlock_t spinlock;
#ifdef CONFIG_SMP
unsigned int batchcount;
#endif
/* 2) slab additions /removals */
/* order of pgs per slab (2^n) */
unsigned int gfporder;
/* force GFP flags, e.g. GFP_DMA */
unsigned int gfpflags;
size_t colour; /* cache colouring
range */
unsigned int colour_off; /* colour offset */
unsigned int colour_next; /* cache colouring */
kmem_cache_t *slabp_cache;
unsigned int growing;
unsigned int dflags; /* dynamic flags */
/* constructor func */
void (*ctor)(void *, kmem_cache_t *, unsigned long);
/* de-constructor func */
void (*dtor)(void *, kmem_cache_t *, unsigned long);
unsigned long failures;
/* 3) cache creation/removal */
char name[CACHE_NAMELEN];
struct list_head next;
#ifdef CONFIG_SMP
/* 4) per-cpu data */
208 cpucache_t *cpudata[NR_CPUS];
#endif
#if STATS
unsigned long num_active;
unsigned long num_allocations;
unsigned long high_mark;
unsigned long grown;
unsigned long reaped;
unsigned long errors;
#ifdef CONFIG_SMP
atomic_t allochit;
atomic_t allocmiss;
atomic_t freehit;
atomic_t freemiss;
#endif
#endif
//
// Include a pointer to the other version of the cache (in kernel
or
nook)
// This is only present in the nooks version of this structure
//
kmem_cache_t * back_pointer;
};
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