[PATCH v1 4/5] s390/uv: update PG_arch_1 comment

David Hildenbrand
2024-04-04T16:37:32Z

We removed the usage of PG_arch_1 for page tables in commit
a51324c430db ("s390/cmma: rework no-dat handling").

Let's update the comment in UV to reflect that.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
arch/s390/kernel/uv.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/s390/kernel/uv.c b/arch/s390/kernel/uv.c
index 9c0113b26735..76fc61333fae 100644
--- a/arch/s390/kernel/uv.c
+++ b/arch/s390/kernel/uv.c
@@ -471,13 +471,12 @@ int arch_make_page_accessible(struct page *page)
return 0;

/*
- * PG_arch_1 is used in 3 places:
- * 1. for kernel page tables during early boot
- * 2. for storage keys of huge pages and KVM
- * 3. As an indication that this small folio might be secure. This can
+ * PG_arch_1 is used in 2 places:
+ * 1. for storage keys of hugetlb folios and KVM
+ * 2. As an indication that this small folio might be secure. This can
* overindicate, e.g. we set the bit before calling
* convert_to_secure.
- * As secure pages are never huge, all 3 variants can co-exists.
+ * As secure pages are never large folios, both variants can co-exists.
*/
if (!test_bit(PG_arch_1, &folio->flags))
return 0;
--
2.44.0