27     struct free_arena_header *fp;  in __init_memory_arena()  local
29     fp = (struct free_arena_header *)__mem_end;  in __init_memory_arena()
30     fp->a.type = ARENA_TYPE_FREE;  in __init_memory_arena()
31     fp->a.size = __heap_end - (char *)__mem_end;  in __init_memory_arena()
34     fp->a.next = fp->a.prev = &__malloc_head;  in __init_memory_arena()
35     fp->next_free = fp->prev_free = &__malloc_head;  in __init_memory_arena()
36     __malloc_head.a.next = __malloc_head.a.prev = fp;  in __init_memory_arena()
37     __malloc_head.next_free = __malloc_head.prev_free = fp;  in __init_memory_arena()
40 static void *__malloc_from_block(struct free_arena_header *fp, size_t size)  in __malloc_from_block()  argument
45     fsize = fp->a.size;  in __malloc_from_block()
50 	nfp = (struct free_arena_header *)((char *)fp + size);  in __malloc_from_block()
51 	na = fp->a.next;  in __malloc_from_block()
55 	fp->a.type = ARENA_TYPE_USED;  in __malloc_from_block()
56 	fp->a.size = size;  in __malloc_from_block()
59 	nfp->a.prev = fp;  in __malloc_from_block()
62 	fp->a.next = nfp;  in __malloc_from_block()
65 	nfp->next_free = fp->next_free;  in __malloc_from_block()
66 	nfp->prev_free = fp->prev_free;  in __malloc_from_block()
67 	fp->next_free->prev_free = nfp;  in __malloc_from_block()
68 	fp->prev_free->next_free = nfp;  in __malloc_from_block()
71 	fp->a.type = ARENA_TYPE_USED;  in __malloc_from_block()
74 	fp->next_free->prev_free = fp->prev_free;  in __malloc_from_block()
75 	fp->prev_free->next_free = fp->next_free;  in __malloc_from_block()
78     return (void *)(&fp->a + 1);  in __malloc_from_block()
83     struct free_arena_header *fp;  in malloc()  local
91     for (fp = __malloc_head.next_free; fp->a.type != ARENA_TYPE_HEAD;  in malloc()
92 	 fp = fp->next_free) {  in malloc()
93 	if (fp->a.size >= size) {  in malloc()
95 	    return __malloc_from_block(fp, size);  in malloc()