s390/mm: implement set_memory_4k()
authorHeiko Carstens <hca@linux.ibm.com>
Wed, 28 Jul 2021 19:02:51 +0000 (21:02 +0200)
committerHeiko Carstens <hca@linux.ibm.com>
Fri, 30 Jul 2021 15:09:01 +0000 (17:09 +0200)
commitb3e1a00c8fa41a80aa402e5ca7f8cc78efa4f50b
treeff8158a36df838adf6e21e35f9b880d3550762c5
parent00e67bf030e74a01afab8e0109244b9b0d7e2e43
s390/mm: implement set_memory_4k()

Implement set_memory_4k() which will split any present large or huge
mapping in the given range to a 4k mapping.

Link: https://lore.kernel.org/r/20210728190254.3921642-2-hca@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
arch/s390/include/asm/set_memory.h
arch/s390/mm/pageattr.c