RFR: JDK-8151602: Make logging in refillLinearAllocBlockIfNeeded() available

[Bengt Rutisson]

Hi Thomas,

On 2016-03-10 11:28, Thomas Schatzl wrote:
> Hi Bengt,
>
> On Thu, 2016-03-10 at 10:59 +0100, Bengt Rutisson wrote:
>> Hi everyone,
>>
>> Could I have a couple of reviews for this change?
>>
>> http://cr.openjdk.java.net/~brutisso/8151602/webrev.00
>> https://bugs.openjdk.java.net/browse/JDK-8151602
>>
>> In CompactibleFreeListSpace::refillLinearAllocBlockIfNeeded() we have
>> this code:
>>
>>     if (PrintMiscellaneous && Verbose) {
>>       if (blk->_word_size == 0) {
>>         warning("CompactibleFreeListSpace(prologue):: Linear
>> allocation
>> failure");
>>       }
>>
>> It is a bit strange to guard a warning() this way. Verbose is a
>> develop flag so the warning is never printed in product builds. This
>> is also the only use of PrintMiscellaneous in the GC code.
> Wouldn't it be better to just remove the code then (maybe make an
> assert out of it)? Apparently nobody ever cared about it anyway.

That's fine with me. :)

Here's an updated webrev:
http://cr.openjdk.java.net/~brutisso/8151602/webrev.01/

(If we go with this I will change the title of the CR to "Remove logging 
from refillLinearAllocBlockIfNeeded()". )

Bengt

>
> Thanks,
>    Thomas
>