Re: kmem_cache_destroy() badness with SLUB
From: Christoph Lameter
Date: Tue Jun 29 2010 - 11:47:16 EST
On Mon, 28 Jun 2010, Benjamin Herrenschmidt wrote:
> So if the slab is created -and- destroyed at, for example, arch_initcall
> time, then we hit a WARN in the kobject code, trying to dispose of a
> non-existing kobject.
Yes dont do that.
> Now, at first sight, just adding the same test to sysfs_slab_remove()
> would do the job... but it all seems very racy to me.
Yes lets leave as is. Dont remove slabs during boot.
> Shouldn't we have a mutex around those guys ?
At boot time?
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