Re: can kfree sleep?

[Christoph Hellwig]

On Sun, Nov 21, 2004 at 11:30:38PM +0100, Peter T. Breuer wrote:
> In article <20041121211451.GA12826@xxxxxxxxxxxxx> you wrote:
> > On Sun, Nov 21, 2004 at 01:10:38PM -0800, Andrew Morton wrote:
> > > Nope.  All memory freeing codepaths are atomic and may be called from any
> > > context except NMI handlers.
> > 
> > Not true for vfree()
> 
> My interest at the moment is in what can sleep and what cannot sleep.
> Are you saying that vfree can sleep or that vfree cannot be called from
> at least one other context in addition to the NMI handler context (from
> which it cannot be called ...)?

vfree can't sleep, but it can't be called from every context.

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