RFR (XS): 8054808: Bitmap verification sometimes fails after Full GC aborts concurrent mark
jon.masamitsu at oracle.com
Thu Aug 28 14:55:19 UTC 2014
On 08/28/2014 01:34 AM, Thomas Schatzl wrote:
> Hi Bengt and Jon,
> thanks for the reviews :)
> On Thu, 2014-08-28 at 10:02 +0200, Bengt Rutisson wrote:
>> Hi Thomas,
>> (Had an offline discussion with Thomas about this. Replying here for the
>> The proposed fix works fine but there is a slightly simpler solution.
>> For all HeapRegions we store the original end value in a variable that
>> does not change. We could use that for this fix instead of having to
>> calculate the end value.
>> Something like:
>> HeapWord* end = r->orig_end();
>> return _bitmap->getNextMarkedWordAddress(r->bottom(), end) != end;
> New webrev implementing this at
Looks even better. Reviewed.
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