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Goetz,<br>
<br>
Could you have used page alignment to determine the<br>
new expected sizes?<br>
<br>
For example, instead of <br>
<br>
<pre><span class="new"> 987 // Calculate what we expect the flag to be.</span>
<span class="new"> 988 flag_value = adapted_InitialHeapSize - MaxNewSize;
</span> 989 verify_old_initial(flag_value);<span class="new"></span>
</pre>
expected_old_initial = align_size_up(flag_value, os::vm_page_size())<br>
verify_old_initial(expected_old_initial)<br>
<br>
Jon<br>
<pre><span class="new"></span></pre>
<div class="moz-cite-prefix">On 2/10/2015 7:43 AM, Lindenmaier,
Goetz wrote:<br>
</div>
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<p class="MsoNormal"><span style="color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">could
someone please have a look at this change?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">It’s
really not that big.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">GC-folks
maybe?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D" lang="EN-US">
Goetz.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<div style="border:none;border-top:solid #B5C4DF
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<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:DE"
lang="EN-US">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";mso-fareast-language:DE"
lang="EN-US"> Lindenmaier, Goetz <br>
<b>Sent:</b> Freitag, 30. Januar 2015 10:36<br>
<b>To:</b> hotspot-dev Source Developers<br>
<b>Subject:</b> RFR(S): 8071822: [TEST_BUG] Adapt
collectorPolicy internal tests to support 64K pages<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">this fixes a final
problem with 64-bit page size in the jtreg tests.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">It addresses the
internal VM tests of the collector policies.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">Those
tests set a row of fixed flag values, and one special value
to test.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">Then
they call the heap ergonomics and check the expected result
of the<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">special
value. <br>
<br>
With 64K page size, the heap ergonomics adapt more values,
breaking the tests. <o:p>
</o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">Wrt.
the adapted flag values the tests are correct though.
<br>
<br>
This change makes the expected values depend on the adapted
flags, and the <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">tests
pass. They only depend on adapted flags that are not subject
of the
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">corresponding
test. <o:p>
</o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black" lang="EN-US">Please
review this test. I please need a sponsor.</span><u><span
lang="EN-US"><o:p></o:p></span></u></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><a
moz-do-not-send="true"
href="http://cr.openjdk.java.net/%7Egoetz/webrevs/8071822-jtregColPol/webrev.01/src/share/vm/memory/collectorPolicy.cpp.udiff.html">http://cr.openjdk.java.net/~goetz/webrevs/8071822-jtregColPol/webrev.01/</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><a
moz-do-not-send="true"
href="https://bugs.openjdk.java.net/browse/JDK-8071822">https://bugs.openjdk.java.net/browse/JDK-8071822</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> Goetz.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
</div>
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