OSDN Git Service

(root) / tomoyo / tomoyo-test1.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 1194372) | patch
s390/mm: check 2KB-fragment page on release
authorAlexander Gordeev <agordeev@linux.ibm.com>
Thu, 4 Nov 2021 06:14:46 +0000 (07:14 +0100)
committerHeiko Carstens <hca@linux.ibm.com>
Thu, 16 Dec 2021 18:58:08 +0000 (19:58 +0100)
commit4c88bb96e40b757f4796f70a4a7507df554467c4
treec67090799526e8f853c3790a69b4e54e2ed8906ftree | snapshot
parent1194372db6f3c917c9c6f6907e8378cf1076c557commit | diff
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>
arch/s390/mm/pgalloc.c diff | blob | history
This is a test repository.
About OSDN
Find Software
Develop Software
Help