6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
[ Upstream commit 38ca8a185389716e9f7566bce4bb0085f71da61d ]
Patch series "minor ptdesc updates", v3.
This patch (of 2):
Since commit d08d4e7cd6bf ("s390/mm: use full 4KB page for 2KB PTE") there
is no fragmented page tracking on s390. Fix the corresponding comments.
Link: https://lkml.kernel.org/r/cover.1700594815.git.agordeev@xxxxxxxxxxxxx
Link: https://lkml.kernel.org/r/2eead241f3a45bed26c7911cf66bded1e35670b8.1700594815.git.agordeev@xxxxxxxxxxxxx
Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Suggested-by: Heiko Carstens <hca@xxxxxxxxxxxxx>
Cc: Gerald Schaefer <gerald.schaefer@xxxxxxxxxxxxx>
Cc: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Stable-dep-of: 59d9094df3d7 ("mm: hugetlb: independent PMD page table shared count")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
include/linux/mm_types.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 20c96ce98751..1f224c55fb58 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -398,11 +398,11 @@ FOLIO_MATCH(compound_head, _head_2a);
* @pmd_huge_pte: Protected by ptdesc->ptl, used for THPs.
* @__page_mapping: Aliases with page->mapping. Unused for page tables.
* @pt_mm: Used for x86 pgds.
- * @pt_frag_refcount: For fragmented page table tracking. Powerpc and s390 only.
+ * @pt_frag_refcount: For fragmented page table tracking. Powerpc only.
* @_pt_pad_2: Padding to ensure proper alignment.
* @ptl: Lock for the page table.
* @__page_type: Same as page->page_type. Unused for page tables.
- * @_refcount: Same as page refcount. Used for s390 page tables.
+ * @_refcount: Same as page refcount.
* @pt_memcg_data: Memcg data. Tracked for page tables here.
*
* This struct overlays struct page for now. Do not modify without a good
--
2.39.5
