RFR: 8201800: Add support for adjusting heap addresses in a TLAB

Aleksey Shipilev shade at redhat.com
Wed Apr 18 14:23:11 UTC 2018

On 04/18/2018 04:05 PM, Per Liden wrote:
> This patch adds support for iterating over and adjusting heap addresses contained in TLABs. A user
> of this would be ZGC, which sometimes wants to adjust the color of those pointers. This patch adds a
> new function, ThreadLocalAllocBuffer::addresses_do(), which takes a function/functor and applies
> that to all addresses in the TLAB.
> Bug: https://bugs.openjdk.java.net/browse/JDK-8201800
> Webrev: http://cr.openjdk.java.net/~pliden/8201800/webrev.0

Wait, how does this supposed to work? Don't you want to pass four arguments to f(...), not call f()
four times?


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