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| /openbmc/linux/arch/s390/mm/ |
| H A D | pgalloc.c | 4c88bb96 Thu Nov 04 01:14:46 CDT 2021 Alexander Gordeev <agordeev@linux.ibm.com> s390/mm: check 2KB-fragment page on release
When CONFIG_DEBUG_VM is defined check that pending remove
and tracking nibbles (bits 31-24 of the page refcount) are
cleared. Should the earlier stages of the page lifespan
have a race or logical error, such check could help in
exposing the issue.
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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