Re: [PATCH 11/33] userfaultfd: non-cooperative: Add mremap() event

["Hillf Danton" <hillf.zj@xxxxxxxxxxxxxxx>]

On Thursday, November 03, 2016 3:34 AM Andrea Arcangeli wrote:
> @@ -576,7 +581,8 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
>  			goto out;
>  		}
> 
> -		ret = move_vma(vma, addr, old_len, new_len, new_addr, &locked);
> +		ret = move_vma(vma, addr, old_len, new_len, new_addr,
> +			       &locked, &uf);
>  	}
>  out:
>  	if (offset_in_page(ret)) {
> @@ -586,5 +592,6 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
>  	up_write(&current->mm->mmap_sem);
>  	if (locked && new_len > old_len)
>  		mm_populate(new_addr + old_len, new_len - old_len);
> +	mremap_userfaultfd_complete(uf, addr, new_addr, old_len);

nit: s/uf/&uf/

>  	return ret;
>  }
> 

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