RFR (XS) 8025550 valgrind: Conditional jump depends on uninitialised value in Arena::set_size_in_bytes()
zhengyu.gu at oracle.com
Mon Mar 17 17:43:09 UTC 2014
On Mar 17, 2014, at 1:07 PM, Calvin Cheung wrote:
> Looks good.
> On 2/25/2014 9:43 AM, Zhengyu Gu wrote:
>> This is a simple fix to NMT, which can mis-count arena size due to uninitialized value. In rare case, if uninitialized size happens to be the same value as arena's initial size, NMT will mis-count the size, since NMT only updates size when the new size does not equal to the old one.
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8025550
>> Webrev: http://cr.openjdk.java.net/~zgu/8025550/webrev.00/
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