On Thu, Apr 18, 2019 at 04:11:08PM -0400, Jerome Glisse wrote:
[...]
> Reviewed-by: Jérôme Glisse
>
> A minor comment suggestion below but it can be fix in a followup patch.
[...]
> > +/*
> > + * Returns true if the page fault allows retry and this is the first
> > + * attempt of the fault ha
On Wed, Mar 20, 2019 at 10:06:18AM +0800, Peter Xu wrote:
> The idea comes from a discussion between Linus and Andrea [1].
>
> Before this patch we only allow a page fault to retry once. We
> achieved this by clearing the FAULT_FLAG_ALLOW_RETRY flag when doing
> handle_mm_fault() the second time.
The idea comes from a discussion between Linus and Andrea [1].
Before this patch we only allow a page fault to retry once. We
achieved this by clearing the FAULT_FLAG_ALLOW_RETRY flag when doing
handle_mm_fault() the second time. This was majorly used to avoid
unexpected starvation of the system
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