The patch titled
Subject: pgtable: fix s390 ptdesc field comments
has been added to the -mm mm-unstable branch. Its filename is
pgtable-fix-s390-ptdesc-field-comments.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/pgtable-fix-s390-ptdesc-field-comments.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Subject: pgtable: fix s390 ptdesc field comments
Date: Tue, 21 Nov 2023 20:43:49 +0100
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>
---
include/linux/mm_types.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/include/linux/mm_types.h~pgtable-fix-s390-ptdesc-field-comments
+++ a/include/linux/mm_types.h
@@ -401,11 +401,11 @@ 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
_
Patches currently in -mm which might be from agordeev@xxxxxxxxxxxxx are
pgtable-fix-s390-ptdesc-field-comments.patch
pgtable-rename-ptdesc-_refcount-field-to-__page_refcount.patch
