s390/mm: Use pgprot_val() instead of open coding

Use pgprot_val() to get the page protection value, instead of accessing the
structure member directly. The type of pgprot_t is supposed to be hidden
from all users so that it can be changed; e.g. for STRICT_MM_TYPECHECKS.

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Heiko Carstens
2025-03-04 09:14:30 +01:00
committed by Vasily Gorbik
parent a64dcfb451
commit f8c425a94b

View File

@@ -285,7 +285,7 @@ int arch_add_memory(int nid, u64 start, u64 size,
unsigned long size_pages = PFN_DOWN(size);
int rc;
if (WARN_ON_ONCE(params->pgprot.pgprot != PAGE_KERNEL.pgprot))
if (WARN_ON_ONCE(pgprot_val(params->pgprot) != pgprot_val(PAGE_KERNEL)))
return -EINVAL;
VM_BUG_ON(!mhp_range_allowed(start, size, true));