static void *bsd_vmalloc(size_t size) { void *p; mmap_lock(); /* Use map and mark the pages as used. */ p = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0); if (h2g_valid(p)) { /* Allocated region overlaps guest address space. This may recurse. */ abi_ulong addr = h2g(p); page_set_flags(addr & TARGET_PAGE_MASK, TARGET_PAGE_ALIGN(addr + size), PAGE_RESERVED); } mmap_unlock(); return p; }