Re: [PATCH 0/2] Add kvzalloc_struct to complement kvzalloc_array

[Joe Perches]

On Wed, 2018-02-14 at 10:26 -0800, Matthew Wilcox wrote:
> From: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
> 
> We all know the perils of multiplying a value provided from userspace
> by a constant and then allocating the resulting number of bytes.  That's
> why we have kvmalloc_array(), so we don't have to think about it.
> This solves the same problem when we embed one of these arrays in a
> struct like this:
> 
> struct {
> 	int n;
> 	unsigned long array[];
> };

I think expanding the number of allocation functions
is not necessary.