diff options
Diffstat (limited to 'Documentation/vm/pagemap.txt')
| -rw-r--r-- | Documentation/vm/pagemap.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/vm/pagemap.txt b/Documentation/vm/pagemap.txt index 600a304a828c..df09b9650a81 100644 --- a/Documentation/vm/pagemap.txt +++ b/Documentation/vm/pagemap.txt | |||
| @@ -57,7 +57,9 @@ There are three components to pagemap: | |||
| 57 | 16. COMPOUND_TAIL | 57 | 16. COMPOUND_TAIL |
| 58 | 16. HUGE | 58 | 16. HUGE |
| 59 | 18. UNEVICTABLE | 59 | 18. UNEVICTABLE |
| 60 | 19. HWPOISON | ||
| 60 | 20. NOPAGE | 61 | 20. NOPAGE |
| 62 | 21. KSM | ||
| 61 | 63 | ||
| 62 | Short descriptions to the page flags: | 64 | Short descriptions to the page flags: |
| 63 | 65 | ||
| @@ -86,9 +88,15 @@ Short descriptions to the page flags: | |||
| 86 | 17. HUGE | 88 | 17. HUGE |
| 87 | this is an integral part of a HugeTLB page | 89 | this is an integral part of a HugeTLB page |
| 88 | 90 | ||
| 91 | 19. HWPOISON | ||
| 92 | hardware detected memory corruption on this page: don't touch the data! | ||
| 93 | |||
| 89 | 20. NOPAGE | 94 | 20. NOPAGE |
| 90 | no page frame exists at the requested address | 95 | no page frame exists at the requested address |
| 91 | 96 | ||
| 97 | 21. KSM | ||
| 98 | identical memory pages dynamically shared between one or more processes | ||
| 99 | |||
| 92 | [IO related page flags] | 100 | [IO related page flags] |
| 93 | 1. ERROR IO error occurred | 101 | 1. ERROR IO error occurred |
| 94 | 3. UPTODATE page has up-to-date data | 102 | 3. UPTODATE page has up-to-date data |