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proof of exist 5 level paging kernel in windows |
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{{Use dmy dates|date=August 2018}}
[[File:Page Tables (5 levels).svg|thumb|A diagram of five levels of paging]]
'''Intel 5-level paging''', referred to simply as ''5-level paging'' in [[Intel]] documents, is a processor extension for the [[x86-64]] line of processors.<ref name="intel-white-paper">{{Cite web|url=https://software.intel.com/sites/default/files/managed/2b/80/5-level_paging_white_paper.pdf|title=5-Level Paging and 5-Level EPT|publisher=Intel Corporation|date=May 2017}}</ref>{{Rp|11}} It extends the size of [[virtual address]]es from 48 bits to 57 bits, increasing the addressable [[virtual memory]] from 256 [[terabyte|TB]] to 128 [[petabyte|PB]]. The extension was first implemented in the [[Ice Lake (microprocessor)|Ice Lake]] processors,<ref name="anandtech-13699">{{Cite web|url=https://www.anandtech.com/show/13699/intel-architecture-day-2018-core-future-hybrid-x86/2|title=Sunny Cove Microarchitecture: A Peek At the Back End|work=Intel's Architecture Day 2018: The Future of Core, Intel GPUs, 10nm, and Hybrid x86|last=Cutress|first=Ian|access-date=2019-10-15}}</ref> and the 4.14 [[Linux kernel]] adds support for it.<ref>{{Cite news|url=https://www.zdnet.com/article/first-linux-4-14-release-adds-very-core-features-arrives-in-time-for-kernels-26th-birthday/|title=First Linux 4.14 release adds "very core" features, arrives in time for kernel's 26th birthday {{!}} ZDNet|last=Tung|first=Liam|work=ZDNet|access-date=2018-04-25|language=en}}</ref> Also Windows 10 and 11 with server versions support this extension in the latest updates.
== Technology ==
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