| commit | 5b1ba9e30cf0e259450da19189811eb140733f83 | [log] [tgz] |
|---|---|---|
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | Mon Oct 01 16:18:46 2012 +0200 |
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Tue Oct 09 14:16:57 2012 +0200 |
| tree | 033759c49f3159e9514e8b08282e41977477064c | |
| parent | 378b1e7a80a59325ca1036e892462db728126f84 [diff] |
s390/mm,pageattr: add more page table walk sanity checks The current page table walk code in pageattr.c only checks for large pages while walking the kernel page table, but happily assumes that everything else is just fine. Add more checks so we never access invalid memory regions. Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>