Re: [PATCH v2 3/3] NFS: Fix a memory leak in nfs_readdir

[Trond Myklebust]

On Wed, 2010-12-01 at 17:47 -0500, Trond Myklebust wrote:
> However, Linus' explanation appears to answer one of Hugh's objections:
> we can apparently use a preempt-disable() in order to ensure that the
> module containing the mapping->a_ops is not unloaded until after the
> ->freepage() call is complete.
> 
> That would imply that ->freepage() cannot sleep, but I don't think that
> is too nasty a restriction.

Revised patch would be as follows...

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