RFR: JDK-8157141 & JDK-8166454: Solaris getisax(2) and meminfo(2) cleanup

[Kim Barrett]

> On Oct 4, 2016, at 10:14 AM, Alan Burlison <Alan.Burlison at oracle.com> wrote:
> 
> On 04/10/2016 09:15, David Holmes wrote:
> 
>> But it shouldn't be passing sizeof(avs), it should be passing
>> (AV_HW2_IDX + 1)
> 
> You are right, it expects the number of elements rather than the more usual convention of passing buffer length in bytes. Sigh.

Yikes!  Sorry I missed that.

> I've replaced it with:
> 
> uint_t avn = getisax(avs, sizeof(avs) / sizeof(avs[0]));
> 
> as that will auto-adapt if the declaration of avs is ever changed.

We have a macro for that - ARRAY_SIZE(avs)

It’s in globalDefinitions.hpp, on the off chance that’s somehow not already being included.