Re: [PATCH -mm 2/3] slab: zap kmem_cache_shrink return value

[Vladimir Davydov]

On Mon, Jan 26, 2015 at 09:49:47AM -0600, Christoph Lameter wrote:
> On Mon, 26 Jan 2015, Vladimir Davydov wrote:
> 
> > @@ -2400,11 +2400,16 @@ int __kmem_cache_shrink(struct kmem_cache *cachep)
> >  	return (ret ? 1 : 0);
> >  }
> >
> > +void __kmem_cache_shrink(struct kmem_cache *cachep)
> > +{
> > +	__cache_shrink(cachep);
> > +}
> > +
> 
> Why do we need this wrapper? Rename __cache_shrink to __kmem_cache_shrink
> instead?
> 

__cache_shrink() is used not only in __kmem_cache_shrink(), but also in
SLAB's __kmem_cache_shutdown(), where we do need its return value to
check if the cache is empty.

Thanks,
Vladimir
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