Re: [Patch 09/16] Remove unnecessary kmalloc casts in the pcisubsystem.

From: Satyam Sharma
Date: Tue Jul 31 2007 - 11:53:24 EST




On Tue, 31 Jul 2007, WANG Cong wrote:

> On Tue, Jul 31, 2007 at 08:00:12PM +0530, Satyam Sharma wrote:
> > [...]
> >It better not be, else we have a bug already anyway. Pointers are 64-bit
> >on 64-bit archs. [ it turns out res->start is resource_size_t which is
> >set properly as per CONFIG_RESOURCES_64BIT which itself is set properly
> >as per CONFIG_64BIT, so everything is healthy and fine :-) ]
> >
>
> I agree.
>
> However, I think using resource_size_t is a bit better than unsigned long,
> so that we don't need to check the defination of it.
>
> - res->start = (unsigned long)kmalloc(*size, GFP_KERNEL);
> + res->start = (resource_size_t)kmalloc(*size, GFP_KERNEL);
>
> Is this change OK?

Yes, that would probably be clearer.
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