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/*
* include/linux/simp.h -- simple allocator for cached objects
*
* This is meant as a faster and simpler (not full-featured) replacement
* for SLAB, thus the name "simp" :-)
*
* (C) 1997 Thomas Schoebel-Theuer
*/
#ifndef SIMP_H
#define SIMP_H
/* used for constructors / destructors */
typedef void (*structor)(void *);
/* create an object cache */
/* positive clearable_offset means the next two pointers at that offset
* can be internally used for freelist pointers when the object is
* deallocated / not in use;
* if there is no space inside the element that can be reused for
* this purpose, supply -1. Using positive offsets is essential for
* saving space with very small-sized objects.
*
* Note for big-sized objects in the range of whole pages, use
* the fast Linux page allocator instead, directly.
*/
extern struct simp * simp_create(char * name, long size,
structor first_ctor,
structor again_ctor,
structor dtor);
/* alloc / dealloc routines */
extern void * simp_alloc(struct simp * simp);
extern void simp_free(void * objp);
/* garbage collection */
extern long simp_garbage(void);
#endif
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