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.

-- 
All rights reversed
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to