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The entries in the page directory have an additional flag, in bit 7, named PS (for page size). This flag was ignored without PSE, but now, the page-directory entry with PS set to 1 does not point to a page table, but to a single large 4 MiB page. The page-directory entry with PS set to 0 behaves as without PSE.
The "Full Screen" mode (introduced in Mac OS X Lion) and supported in Pages 4.1 hid the menubar and toolbars, allowing users to focus on a single document without being distracted by other windows on the screen; [5] however, after Pages 5, full-screen mode requires the user to manually hide various panes for focused writing and the page ...
However, the page file only expands when it has been filled, which, in its default configuration, is 150% of the total amount of physical memory. [16] Thus the total demand for page file-backed virtual memory must exceed 250% of the computer's physical memory before the page file will expand.
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However, if the page size is increased to 32 KiB (2 15 bytes), only 2 17 pages are required. A multi-level paging algorithm can decrease the memory cost of allocating a large page table for each process by further dividing the page table up into smaller tables, effectively paging the page table.
Pages in the page cache modified after being brought in are called dirty pages. [5] Since non-dirty pages in the page cache have identical copies in secondary storage (e.g. hard disk drive or solid-state drive), discarding and reusing their space is much quicker than paging out application memory, and is often preferred over flushing the dirty pages into secondary storage and reusing their space.
The page table structure used by x86-64 CPUs when operating in long mode further extends the page table hierarchy to four or more levels, extending the virtual address space, and uses additional physical address bits at all levels of the page table, extending the physical address space.
Browser page size: the total size of the page as loaded by a web browser. The article size impacts usability in multiple ways: Reader issues , such as attention span , readability, organization, information saturation, etc. (when articles are large); and fragmentation and duplication of related information the reader may be seeking over ...