From cfafad6d7897b4add601ed6ee0bd0221b7f81e30 Mon Sep 17 00:00:00 2001
From: Heiko Carstens <hca@linux.ibm.com>
Date: Tue, 3 Aug 2021 14:42:29 +0200
Subject: [PATCH] s390/mm: use page_to_virt() in __kernel_map_pages()
Fix virtual vs physical address confusion (which currently are the same).
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
---
arch/s390/mm/pageattr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c
index dd45010f0e8d7..45197b71d55fd 100644
--- a/arch/s390/mm/pageattr.c
+++ b/arch/s390/mm/pageattr.c
@@ -351,7 +351,7 @@ void __kernel_map_pages(struct page *page, int numpages, int enable)
pte_t *pte;
for (i = 0; i < numpages;) {
- address = page_to_phys(page + i);
+ address = (unsigned long)page_to_virt(page + i);
pte = virt_to_kpte(address);
nr = (unsigned long)pte >> ilog2(sizeof(long));
nr = PTRS_PER_PTE - (nr & (PTRS_PER_PTE - 1));
--
GitLab