Merge

Merge

8062116: JVMTI GetClassMethods is Slow Summary: Allocate enough space for all jmethodids; make adding a jmethodid O(1) Reviewed-by: coleenp, rasbold, sspitsyn

Merge

8058715: stability issues when being launched as an embedded JVM via JNI Summary: Use mmap call without MAP_FIXED so we avoid corrupting already allocated memory Reviewed-by: coleenp, dsimms

8062735: CodeCacheSweeperThread missing from SA Summary: Make SA aware of the code cache sweeper thread Reviewed-by: kvn, coleenp, sspitsyn