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

[Greg KH]

On Tue, Jul 31, 2007 at 06:20:29PM +0200, Andreas Schwab wrote:
> Greg KH <gregkh@xxxxxxx> writes:
> 
> > On Tue, Jul 31, 2007 at 10:46:19PM +0800, WANG Cong wrote:
> >> 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 is the proper cast to have here.
> 
> It will generate a warning when resoure_size_t is 64bit on a 32bit arch.

How?  And if so, what should the proper cast be?

thanks,

greg k-h
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