platform_ops.malloc() vs. realloc()

David Gibson david at gibson.dropbear.id.au
Thu Feb 22 21:25:53 EST 2007


On Thu, Feb 22, 2007 at 11:14:36AM +0100, Geert Uytterhoeven wrote:
> 
> arch/powerpc/boot/ops.h has:
> 
> | /* Platform specific operations */
> | struct platform_ops {
> |         void    (*fixups)(void);
> |         void    (*image_hdr)(const void *);
> |         void *  (*malloc)(u32 size);
> |         void    (*free)(void *ptr);
> |         void *  (*realloc)(void *ptr, unsigned long size);
> |         void    (*exit)(void);
> | };
> 
> Is there a specific reason why the size parameters of malloc() and realloc()
> differ in type?

Not as far as I'm aware, I believe it's just a wart.  The zImage is
always compiler 32-bit, so they're actually the same thing.  I'm
actually hoping to get rid of malloc() and realloc() at some point.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson



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