Re: [BUG] 2.6.24-rc2-mm1 - kernel bug on nfs v4

[Christoph Lameter]

On Wed, 2 Jan 2008, Torsten Kaiser wrote:

> I just tested something with vanilla 2.6.24-rc6 and had the same problem.
> Should this patch, or something similar be included for 2.6.24?

Such a patch is in Andrew's tree.

2.6.24-rc6-mm1:

tatic struct kmem_cache_node *early_kmem_cache_node_alloc(gfp_t gfpflags,
                                                           int node)
{
        struct page *page;
        struct kmem_cache_node *n;
        unsigned long flags;
...

    /*
         * lockdep requires consistent irq usage for each lock
         * so even though there cannot be a race this early in
         * the boot sequence, we still disable irqs.
         */
        local_irq_save(flags);
        add_partial(kmalloc_caches, page, 0);
        local_irq_restore(flags);
        return n;
}
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