> I took Peter's patch and ported it to 3.0-rt. Hopefully, I didn't screw
> it up.
>
> -- Steve
>
> diff --git a/mm/slab.c b/mm/slab.c
> index 096bf0a..966a8c4 100644
> --- a/mm/slab.c
> +++ b/mm/slab.c
> @@ -764,6 +764,7 @@ static enum {
> PARTIAL_AC,
> PARTIAL_L3,
> EARLY,
> + LATE,
> FULL
> } g_cpucache_up;
>
> @@ -795,7 +796,7 @@ static void init_node_lock_keys(int q)
> {
> struct cache_sizes *s = malloc_sizes;
>
> - if (g_cpucache_up != FULL)
> + if (g_cpucache_up < LATE)
> return;
>
> for (s = malloc_sizes; s->cs_size != ULONG_MAX; s++) {
> @@ -1752,7 +1753,7 @@ void __init kmem_cache_init_late(void)
> mutex_unlock(&cache_chain_mutex);
>
> /* Done! */
> - g_cpucache_up = FULL;
> + g_cpucache_up = LATE;
>
> /* Annotate slab for lockdep -- annotate the malloc caches */
> init_lock_keys();
>
>
You did screw it up.. now g_cpucache_up will never be FULL. It works
much better if you also apply 30765b92 to this tree.
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