RFR: 8087200: Code heap does not use large pages

[Thomas Schatzl]

Hi Erik,

On Fri, 2015-06-12 at 17:15 +0200, Erik Helin wrote:
> Hi all,
> 
> this patch fixes an issue with the page sizing in in the code heap
> in 8u60 that was introduced in the backport for JDK-8049864. The issue does
> not exist in JDK 9 because the code heap in JDK 9 has been rewritten and
> uses the VirtualSpace to decide the page size for the reserved size
> (there is still an issue with the alignment of the comittted size in JDK
> 9, see JDK-8087339 [0]).
> 
> The fix for 8u60 consists of using the reserved size to determine the
> page size (and not require that the page size divides the reserved
> size, because the reserved size will be aligned to the page size later
> anyway).
> 
> Webrev:
> http://cr.openjdk.java.net/~ehelin/8087200/webrev.00/
> 

looks good. Thanks for fixing this.

Thomas