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SubjectRe: [PATCH 1/6] mm: add kmalloc_array_node and kcalloc_node
On Wed, 27 Sep 2017, Johannes Thumshirn wrote:

> +static inline void *kmalloc_array_node(size_t n, size_t size, gfp_t flags,
> + int node)
> +{
> + if (size != 0 && n > SIZE_MAX / size)
> + return NULL;
> + if (__builtin_constant_p(n) && __builtin_constant_p(size))
> + return kmalloc_node(n * size, flags, node);

Isnt the same check done by kmalloc_node already? The result of
multiplying two constants is a constant after all.

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