RFR: 8281263: virtual space leakage if large page commit fails.

[Swati Sharma]

Hi Team,

In this patch I have fixed the virtual space leakage issue. While attempting commit over larger pages we first try to reserve requested bytes over the virtual address space, in case commit to large page fails we should be un reserving entire reservation to avoid leaving any leaks in virtual address space.

Please review and provide your valuable comments.


Thanks,
Swati Sharma
Runtime Software Development Engineer 
Intel

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Commit messages:
 - 8281263: virtual space leakage if large page commit fails.

Changes: https://git.openjdk.java.net/jdk/pull/7350/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7350&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8281263
  Stats: 6 lines in 1 file changed: 0 ins; 2 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7350.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7350/head:pull/7350

PR: https://git.openjdk.java.net/jdk/pull/7350