[FYI] tux3: Core changes

Rik van Riel riel at redhat.com
Mon May 25 21:25:44 PDT 2015

On 05/21/2015 03:53 PM, Daniel Phillips wrote:
> On Wednesday, May 20, 2015 8:51:46 PM PDT, David Lang wrote:
>> how do you prevent it from continuing to interact with the old version
>> of the page and never see updates or have it's changes reflected on
>> the current page?
> Why would it do that, and what would be surprising about it? Did
> you have a specific case in mind?

After a get_page(), page_cache_get(), or other equivalent
function, a piece of code has the expectation that it can
continue using that page until after it has released the
reference count.

This can be an arbitrarily long period of time.

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