On Sat, 31 Mar 2007 01:08:14 +0200 "Paolo 'Blaisorblade' Giarrusso" <[EMAIL
PROTECTED]> wrote:
> set_up_list3s is not __init and references initkmem_list3.
>
> Also, kmem_cache_create calls setup_cpu_cache which calls set_up_list3s. The
> state machine _may_ prevent the code from accessing this data after freeing
> initdata (it makes sure it's used only up to boot), so this warning may be a
> false positive.
>
> Signed-off-by: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]>
> ---
>
> mm/slab.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/mm/slab.c b/mm/slab.c
> index 0934f8d..0772faf 100644
> --- a/mm/slab.c
> +++ b/mm/slab.c
> @@ -305,7 +305,7 @@ struct kmem_list3 {
> * Need this for bootstrapping a per node allocator.
> */
> #define NUM_INIT_LISTS (2 * MAX_NUMNODES + 1)
> -struct kmem_list3 __initdata initkmem_list3[NUM_INIT_LISTS];
> +struct kmem_list3 initkmem_list3[NUM_INIT_LISTS];
> #define CACHE_CACHE 0
> #define SIZE_AC 1
> #define SIZE_L3 (1 + MAX_NUMNODES)
Yes, I think this is a flase positive - we'll never touch initkmem_list3[]
after free_initmem() because of the transitions of g_cpucache_up.
(In which case set_up_list3s() shoud be __init, too?)
Christoph, I think you looked at this previously?
-
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