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Freelist that seems to behave

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Imbus 2025-09-09 11:11:28 +02:00
parent 6cb84f5081
commit 6b12606d82
2 changed files with 69 additions and 44 deletions
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14
kern/libkern/freelist.h
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@ -5,18 +5,6 @@
#include <stdint.h>
#include <stdlib.h>
/* Align to nearest multiple of align */
static inline size_t align_up_to(size_t n, size_t align) {
return (n + align - 1) & ~(align - 1);
}
/* Fiddle these around according to your need. Delete or check makefile */
#ifdef FREELIST_ALIGN
#define ALIGN(x) (align_up_to(x, sizeof(void *)))
#else
#define ALIGN(x) (x)
#endif
typedef struct FreeListBlock FreeListBlock;
typedef struct {
@ -27,7 +15,7 @@ typedef struct {
size_t allocated;
} FreeList;
int fl_init(FreeList *fl, uintptr_t start, uintptr_t end, size_t itemsize);
int fl_init(FreeList *fl, uintptr_t start, size_t size_bytes, size_t itemsize);
int fl_free(FreeList *fl, void *ptr);
int fl_is_managed(FreeList *fl, void *ptr);
void *fl_alloc(FreeList *fl);