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    SubjectRe: [PATCH RFC v2] slab: introduce kmalloc_array
    On Thu, 9 Feb 2012 23:47:42 +0100 (CET)
    Jesper Juhl <jj@chaosbits.net> wrote:

    > > -static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
    > > +static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags)
    > > {
    > > if (size != 0 && n > ULONG_MAX / size)
    > > return NULL;
    > > - return __kmalloc(n * size, flags | __GFP_ZERO);
    > > + return __kmalloc(n * size, flags);
    > > +}
    > > +
    > > +/**
    > > + * kcalloc - allocate memory for an array. The memory is set to zero.
    > > + * @n: number of elements.
    > > + * @size: element size.
    > > + * @flags: the type of memory to allocate (see kmalloc).
    > > + */
    > > +static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
    > > +{
    > > + return kmalloc_array(n, size, flags | __GFP_ZERO);
    > > }
    > >
    > > #if !defined(CONFIG_NUMA) && !defined(CONFIG_SLOB)
    > >
    >
    > Does this want adding to Documentation/CodingStyle "Chapter 14: Allocating
    > memory" ?

    Spose so. We could possibly cook up a checkpatch rule too ;)

    <gad, CodingStyle has 18 chapters and an appendix??>



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