}
/* allocate a cache line of writable, executable memory */
- down_write(¤t->mm->mmap_sem);
- buffer = (void __user *) do_mmap(NULL, 0, 64,
+ buffer = (void __user *) vm_mmap(NULL, 0, 64,
PROT_EXEC | PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS,
0);
- up_write(¤t->mm->mmap_sem);
if (IS_ERR((void __force *)buffer)) {
kfree(state);