When the 1 MB pageable large pages are demoted to 4 K pages, they remain as 4 K pages until a future system IPL. However, it is actually not required but recommended, only to avoid demoting 1 MB pageable large pages to 4 K pages when paging is required during periods of high real memory usage. The online documentation states that the Flash Express® feature (#0402) is required. 1M pageable large pages are supported only on IBM zEnterprise EC12® or later systems. There are changes to the content in the topic Configuring large page memory allocation. Initial release of IBM SDK, Java Technology Edition, Version 7Ĭonfiguring large page memory allocation on z/OS systems.Supplementary information is available for the following updates: Configuring large page memory allocation on z/OS systems.Any updates or changes to other content are detailed in this technote. However, from service refresh 10 fix pack 25, only the security documentation is still maintained. The documentation to support this release is available in IBM Documentation. Note: For links to downloads, fixes, time zone updates, and the table of comparative Oracle versions that used to be available in this document, see IBM SDK, Java Technology Edition refreshes.
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