GC_remove_protection  755 gc/allchblk.c      	GC_remove_protection(hbp, divHBLKSZ(size_needed),
GC_remove_protection 1786 gc/include/private/gc_priv.h void GC_remove_protection GC_PROTO((struct hblk *h, word nblocks,
GC_remove_protection  672 gc/reclaim.c       GC_remove_protection(hbp, 1, (hhdr)->hb_descr == 0 /* Pointer-free? */);