Re: v3.15-rc1 slab allocator broken on m68knommu (coldfire)

Hi Steven,

On Wed, Apr 16, 2014 at 5:47 PM, Steven King <[email protected]> wrote:
> --- a/mm/slab.c
> +++ b/mm/slab.c
> @@ -2572,13 +2572,13 @@ static void *alloc_slabmgmt(struct kmem_cache *cachep,
>         return freelist;
>  }
>
> -static inline freelist_idx_t get_free_obj(struct page *page, unsigned char idx)
> +static inline freelist_idx_t get_free_obj(struct page *page, unsigned int idx)
>  {
>         return ((freelist_idx_t *)page->freelist)[idx];
>  }
>
>  static inline void set_free_obj(struct page *page,
> -                                       unsigned char idx, freelist_idx_t val)
> +                                       unsigned int idx, freelist_idx_t val)
>  {
>         ((freelist_idx_t *)(page->freelist))[idx] = val;
>  }
>
>
> then v3.15-rc1 will boot using the slab allocator.

Is "idx" ever larger than 255?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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