On Sun, 21 Oct 2012, JoonSoo Kim wrote:
> 2012/10/19 Christoph Lameter <cl@xxxxxxxxx>:
>
> > @@ -693,20 +657,19 @@ static inline struct array_cache *cpu_ca
> > static inline struct kmem_cache *__find_general_cachep(size_t size,
> > gfp_t gfpflags)
> > {
> > - struct cache_sizes *csizep = malloc_sizes;
> > + int i;
> >
> > #if DEBUG
> > /* This happens if someone tries to call
> > * kmem_cache_create(), or __kmalloc(), before
> > * the generic caches are initialized.
> > */
> > - BUG_ON(malloc_sizes[INDEX_AC].cs_cachep == NULL);
> > + BUG_ON(kmalloc_caches[INDEX_AC] == NULL);
> > #endif
> > if (!size)
> > return ZERO_SIZE_PTR;
> >
> > - while (size > csizep->cs_size)
> > - csizep++;
> > + i = kmalloc_index(size);
>
> Above kmalloc_index(size) is called with arbitrary size, therefore it
> cannot be folded.
The size is passed into an inline function that is folded and therefore
the kmalloc_index function can also be folded if the size passed into
__find_general_cachep was constant.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>