hg: jdk/jdk: 8224871: os::attempt_reserve_memory_at() tries too hard

[erik.osterlund at oracle.com]

Changeset: 24c59b1579d7
Author:    eosterlund
Date:      2019-06-11 10:55 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/24c59b1579d7

8224871: os::attempt_reserve_memory_at() tries too hard
Reviewed-by: pliden, coleenp, stuefe

! src/hotspot/os/bsd/os_bsd.cpp
! src/hotspot/os/linux/os_linux.cpp
! src/hotspot/os/solaris/os_solaris.cpp