From 38ca8a185389716e9f7566bce4bb0085f71da61d Mon Sep 17 00:00:00 2001 From: Alexander Gordeev Date: Tue, 21 Nov 2023 20:43:49 +0100 Subject: [PATCH] pgtable: fix s390 ptdesc field comments 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@linux.ibm.com Link: https://lkml.kernel.org/r/2eead241f3a45bed26c7911cf66bded1e35670b8.1700594815.git.agordeev@linux.ibm.com Signed-off-by: Alexander Gordeev Suggested-by: Heiko Carstens Cc: Gerald Schaefer Cc: Vishal Moola (Oracle) Signed-off-by: Andrew Morton --- 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 957ce38768b2a..fbec64036baa6 100644 --- a/include/linux/mm_types.h +++ b/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 -- 2.30.2