RFR (S): 8067469: G1 ignores AlwaysPreTouch
coleen.phillimore at oracle.com
Wed Dec 17 14:38:34 UTC 2014
I only looked at os.cpp but do you have to touch every byte?
On 12/16/14, 7:23 AM, Thomas Schatzl wrote:
> Hi all,
> can I have reviews for the following small change?
> It adds pre-touching of allocated memory in G1, which has been forgotten
> to be implemented when changing this code in JDK-8038423.
> This change adds this and refactors the pre-touch code to a single
> method in the os class.
> CC'ed runtime since it changes code in os.hpp/cpp.
> jprt, manual testing with and without AlwaysPreTouch enabled
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