ASSERT(!(len & (CPU_PAGE_SIZE-1)));
byte *p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
if (p == (byte*) MAP_FAILED)
ASSERT(!(len & (CPU_PAGE_SIZE-1)));
byte *p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
if (p == (byte*) MAP_FAILED)