| .. | .. |
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| 75 | 75 | 20. NOPAGE |
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| 76 | 76 | 21. KSM |
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| 77 | 77 | 22. THP |
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| 78 | | - 23. BALLOON |
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| 78 | + 23. OFFLINE |
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| 79 | 79 | 24. ZERO_PAGE |
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| 80 | 80 | 25. IDLE |
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| 81 | + 26. PGTABLE |
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| 81 | 82 | |
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| 82 | 83 | * ``/proc/kpagecgroup``. This file contains a 64-bit inode number of the |
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| 83 | 84 | memory cgroup each page is charged to, indexed by PFN. Only available when |
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| .. | .. |
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| 118 | 119 | identical memory pages dynamically shared between one or more processes |
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| 119 | 120 | 22 - THP |
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| 120 | 121 | contiguous pages which construct transparent hugepages |
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| 121 | | -23 - BALLOON |
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| 122 | | - balloon compaction page |
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| 122 | +23 - OFFLINE |
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| 123 | + page is logically offline |
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| 123 | 124 | 24 - ZERO_PAGE |
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| 124 | 125 | zero page for pfn_zero or huge_zero page |
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| 125 | 126 | 25 - IDLE |
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| .. | .. |
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| 128 | 129 | Note that this flag may be stale in case the page was accessed via |
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| 129 | 130 | a PTE. To make sure the flag is up-to-date one has to read |
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| 130 | 131 | ``/sys/kernel/mm/page_idle/bitmap`` first. |
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| 132 | +26 - PGTABLE |
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| 133 | + page is in use as a page table |
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| 131 | 134 | |
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| 132 | 135 | IO related page flags |
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| 133 | 136 | --------------------- |
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