| commit | a8fa41ad2f6f7ca08edd1afcf8149ae5a4dcf654 | [log] [tgz] |
|---|---|---|
| author | Kirill A. Shutemov <[email protected]> | Fri Feb 24 14:57:54 2017 -0800 |
| committer | Linus Torvalds <[email protected]> | Fri Feb 24 17:46:55 2017 -0800 |
| tree | 5ec90b25a6e633bc61df880a9c179c2c094e35cf | |
| parent | 699fa216808fff47efc9743f92f1b8a9f9bf5321 [diff] |
mm, rmap: check all VMAs that PTE-mapped THP can be part of Current rmap code can miss a VMA that maps PTE-mapped THP if the first suppage of the THP was unmapped from the VMA. We need to walk rmap for the whole range of offsets that THP covers, not only the first one. vma_address() also need to be corrected to check the range instead of the first subpage. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Kirill A. Shutemov <[email protected]> Acked-by: Hillf Danton <[email protected]> Cc: Andrea Arcangeli <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Oleg Nesterov <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Srikar Dronamraju <[email protected]> Cc: Vladimir Davydov <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>