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| author | Kirill A. Shutemov <[email protected]> | 2016-02-24 15:58:03 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2016-02-24 18:46:30 +0000 |
| commit | 2ac015e293bbe3858533009612eac58842daf325 (patch) | |
| tree | 9875a35bbccd797295fdef0a9df4ae0e93dfb69e /net/switchdev/switchdev.c | |
| parent | Merge tag 'dm-4.5-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/devic... (diff) | |
| download | kernel-2ac015e293bbe3858533009612eac58842daf325.tar.gz kernel-2ac015e293bbe3858533009612eac58842daf325.zip | |
thp: call pmdp_invalidate() with correct virtual address
Sebastian Ott and Gerald Schaefer reported random crashes on s390.
It was bisected to my THP refcounting patchset.
The problem is that pmdp_invalidated() called with wrong virtual
address. It got offset up by HPAGE_PMD_SIZE by loop over ptes.
The solution is to introduce new variable to be used in loop and don't
touch 'haddr'.
Signed-off-by: Kirill A. Shutemov <[email protected]>
Reported-and-tested-by: Gerald Schaefer <[email protected]>
Reported-and-tested-by Sebastian Ott <[email protected]>
Reviewed-by: Will Deacon <[email protected]>
Cc: Christian Borntraeger <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: Aneesh Kumar K.V <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Cc: Sasha Levin <[email protected]>
Cc: Jerome Marchand <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'net/switchdev/switchdev.c')
0 files changed, 0 insertions, 0 deletions