Function create_mspace_with_base

system/lib/dlmalloc.c:5543–5555

}

mspace create_mspace_with_base(void* base, size_t capacity, int locked) {
    mstate m = 0;
    size_t msize;
    ensure_initialization();
    msize = pad_request(sizeof(struct malloc_state));
    if (capacity > msize + TOP_FOOT_SIZE &&
        capacity < (size_t) -(msize + TOP_FOOT_SIZE + mparams.page_size)) {
        m = init_user_mstate((char*)base, capacity);
        m->seg.sflags = EXTERN_BIT;
        set_lock(m, locked);
    }
    return (mspace)m;
}

int mspace_track_large_chunks(mspace msp, int enable) {
    int ret = 0;