MEM_SIZE
malloced_size(void *p)
{
- int bucket = OV_INDEX((union overhead *)p);
-
+ union overhead *ovp = (union overhead *)
+ ((caddr_t)p - sizeof (union overhead) * CHUNK_SHIFT);
+ int bucket = OV_INDEX(ovp);
+#ifdef RCHECK
+ /* The caller wants to have a complete control over the chunk,
+ disable the memory checking inside the chunk. */
+ if (bucket <= MAX_SHORT_BUCKET) {
+ MEM_SIZE size = BUCKET_SIZE_REAL(bucket);
+ ovp->ov_size = size + M_OVERHEAD - 1;
+ *((u_int *)((caddr_t)ovp + size + M_OVERHEAD - RSLOP)) = RMAGIC;
+ }
+#endif
return BUCKET_SIZE_REAL(bucket);
}