diff options
| author | Miaohe Lin <[email protected]> | 2023-07-11 13:50:15 +0800 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2023-08-18 10:12:20 -0700 |
| commit | a363d1224b5add67a7cafab9fdb9f19d569fbe98 (patch) | |
| tree | 00a830b85aebed85d2916d1d9ec9259def94ec57 /tools/perf/scripts/python | |
| parent | 5885c6a62533cbda19e9eceab619bde317de0c0d (diff) | |
mm: memory-failure: fetch compound head after extra page refcnt is held
Page might become thp, huge page or being splited after compound head is
fetched but before page refcnt is bumped. So hpage might be a tail page
leading to VM_BUG_ON_PAGE(PageTail(page)) in PageTransHuge().
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 415c64c1453a ("mm/memory-failure: split thp earlier in memory error handling")
Signed-off-by: Miaohe Lin <[email protected]>
Acked-by: Naoya Horiguchi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions