[PATCH 5/5] arch: simplify several early memory allocations

Mike Rapoport rppt at linux.ibm.com
Mon Nov 26 19:47:20 AEDT 2018


On Mon, Nov 26, 2018 at 12:21:34AM -0800, Christoph Hellwig wrote:
> >  static void __init *early_alloc_aligned(unsigned long sz, unsigned long align)
> >  {
> > -	void *ptr = __va(memblock_phys_alloc(sz, align));
> > -	memset(ptr, 0, sz);
> > -	return ptr;
> > +	return memblock_alloc(sz, align);
> >  }
> 
> What is the point of keeping this wrapper?

No point indeed. I'll remove it in v2.
 
> >  static void __init *early_alloc(unsigned long sz)
> >  {
> > -	void *ptr = __va(memblock_phys_alloc(sz, sz));
> > -	memset(ptr, 0, sz);
> > -	return ptr;
> > +	return memblock_alloc(sz, sz);
> >  }
> 
> Same here.
> 

Here it provides a shortcut for allocations with align == size, but can be
removed as well.

-- 
Sincerely yours,
Mike.



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