Re: [RFC PATCH] mm/slab: Add size validation in kmalloc_array_* functions

[Matthew Wilcox]

On Mon, Sep 22, 2025 at 10:33:57PM +0530, I Viswanath wrote:
> This occurs when the size argument fits into a u32 but is too large 
> to allocate, i.e., when it's between KMALLOC_MAX_SIZE + 1 
> and UINT_MAX (both limits included)

Is it really a good idea to support 2^28 vclocks?  Surely there's a
limit that makes sense to the PTP driver.

Beyond that, this should probably be using kvmalloc_array rather than
kcalloc_array().