6.6-stable review patch. If anyone has any objections, please let me know.
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From: Alexander Gordeev agordeev@linux.ibm.com
[ 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@linux.ibm.com Link: https://lkml.kernel.org/r/2eead241f3a45bed26c7911cf66bded1e35670b8.170059481... Signed-off-by: Alexander Gordeev agordeev@linux.ibm.com Suggested-by: Heiko Carstens hca@linux.ibm.com Cc: Gerald Schaefer gerald.schaefer@linux.ibm.com Cc: Vishal Moola (Oracle) vishal.moola@gmail.com Signed-off-by: Andrew Morton akpm@linux-foundation.org Stable-dep-of: 59d9094df3d7 ("mm: hugetlb: independent PMD page table shared count") Signed-off-by: Sasha Levin sashal@kernel.org --- 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