Re: [Slub allocator] There are chances that kmem_cache_cpu->freelistgets lost if the process happens to be rescheduled to a differenet cpu beforethe local_irq_save() completes in __slab_alloc()

[Christoph Lameter]

On Tue, 13 Dec 2011, Eric Dumazet wrote:

> We can be interrupted and the IRQ handler can free an object an populate
> freelist too. So the check must always be done.

True. So a small memory leak that remained undetected. Hmm.... Wonder how
one can create some diagnostics to allow detection of this in the future.

Acked-by: Christoph Lameter <cl@xxxxxxxxx>
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