Assumption that if memory can be malloc()ed it can be used is not true on AIX. Later access of the allocated pages can trigger SIGKILL if there are insufficient VM pages. Use psdanger() to better estimate available memory. Fixes: https://github.com/nodejs/build/issues/1849 More info: - https://www.ibm.com/support/knowledgecenter/en/ssw_aix_71/generalprogramming/sys_mem_alloc.html - https://www.ibm.com/support/knowledgecenter/en/ssw_aix_71/p_bostechref/psdanger.html Related to: - https://github.com/nodejs/build/issues/1820#issuecomment-505998851 - https://github.com/nodejs/node/pull/28469 - https://github.com/nodejs/node/pull/28516 PR-URL: https://github.com/nodejs/node/pull/28857 Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Beth Griggs <Bethany.Griggs@uk.ibm.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
