The patch titled Subject: s390: add pte_free_defer() for pgtables sharing page: fix has been added to the -mm mm-unstable branch. Its filename is s390-add-pte_free_defer-for-pgtables-sharing-page-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/s390-add-pte_free_defer-for-pgtables-sharing-page-fix.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Hugh Dickins <hughd@xxxxxxxxxx> Subject: s390: add pte_free_defer() for pgtables sharing page: fix Date: Sun, 23 Jul 2023 15:29:32 -0700 (PDT) Claudio finds warning on mm_has_pgste() more useful than on mm_alloc_pgste(). Link: https://lkml.kernel.org/r/3bc095ba-a180-ce3b-82b1-2bfc64612f3@xxxxxxxxxx Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx> Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx> Cc: Alistair Popple <apopple@xxxxxxxxxx> Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx> Cc: Anshuman Khandual <anshuman.khandual@xxxxxxx> Cc: Axel Rasmussen <axelrasmussen@xxxxxxxxxx> Cc: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx> Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx> Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx> Cc: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Cc: Gerald Schaefer <gerald.schaefer@xxxxxxxxxxxxx> Cc: Heiko Carstens <hca@xxxxxxxxxxxxx> Cc: Huang, Ying <ying.huang@xxxxxxxxx> Cc: Ira Weiny <ira.weiny@xxxxxxxxx> Cc: Jann Horn <jannh@xxxxxxxxxx> Cc: Jason Gunthorpe <jgg@xxxxxxxx> Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Cc: Lorenzo Stoakes <lstoakes@xxxxxxxxx> Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Cc: Miaohe Lin <linmiaohe@xxxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Cc: Mike Rapoport (IBM) <rppt@xxxxxxxxxx> Cc: Minchan Kim <minchan@xxxxxxxxxx> Cc: Naoya Horiguchi <naoya.horiguchi@xxxxxxx> Cc: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx> Cc: Peter Xu <peterx@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> Cc: Ralph Campbell <rcampbell@xxxxxxxxxx> Cc: Russell King <linux@xxxxxxxxxxxxxxx> Cc: SeongJae Park <sj@xxxxxxxxxx> Cc: Song Liu <song@xxxxxxxxxx> Cc: Steven Price <steven.price@xxxxxxx> Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx> Cc: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx> Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx> Cc: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Cc: Yang Shi <shy828301@xxxxxxxxx> Cc: Yu Zhao <yuzhao@xxxxxxxxxx> Cc: Zack Rusin <zackr@xxxxxxxxxx> Cc: Zi Yan <ziy@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/s390/mm/pgalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/s390/mm/pgalloc.c~s390-add-pte_free_defer-for-pgtables-sharing-page-fix +++ a/arch/s390/mm/pgalloc.c @@ -459,7 +459,7 @@ void pte_free_defer(struct mm_struct *mm * page_table_free() does not do the pgste gmap_unlink() which * page_table_free_rcu() does: warn us if pgste ever reaches here. */ - WARN_ON_ONCE(mm_alloc_pgste(mm)); + WARN_ON_ONCE(mm_has_pgste(mm)); } #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ _ Patches currently in -mm which might be from hughd@xxxxxxxxxx are tmpfs-fix-documentation-of-noswap-and-huge-mount-options.patch shmem-minor-fixes-to-splice-read-implementation.patch mm-pagewalk-fix-efi_pgt_dump-of-espfix-area.patch mm-userfaultfd-add-new-uffdio_poison-ioctl-fix.patch mm-pgtable-add-rcu_read_lock-and-rcu_read_unlocks.patch mm-pgtable-add-pae-safety-to-__pte_offset_map.patch arm-adjust_pte-use-pte_offset_map_nolock.patch powerpc-assert_pte_locked-use-pte_offset_map_nolock.patch powerpc-assert_pte_locked-use-pte_offset_map_nolock-fix.patch powerpc-add-pte_free_defer-for-pgtables-sharing-page.patch sparc-add-pte_free_defer-for-pte_t-pgtable_t.patch s390-add-pte_free_defer-for-pgtables-sharing-page.patch s390-add-pte_free_defer-for-pgtables-sharing-page-fix.patch mm-pgtable-add-pte_free_defer-for-pgtable-as-page.patch mm-khugepaged-retract_page_tables-without-mmap-or-vma-lock.patch mm-khugepaged-collapse_pte_mapped_thp-with-mmap_read_lock.patch mm-khugepaged-collapse_pte_mapped_thp-with-mmap_read_lock-fix.patch mm-khugepaged-delete-khugepaged_collapse_pte_mapped_thps.patch mm-khugepaged-delete-khugepaged_collapse_pte_mapped_thps-fix.patch mm-delete-mmap_write_trylock-and-vma_try_start_write.patch mm-pgtable-notes-on-pte_offset_map.patch