The patch titled Subject: mm/hmm: hmm_pfns_bad() was accessing wrong struct has been added to the -mm tree. Its filename is mm-hmm-hmm_pfns_bad-was-accessing-wrong-struct.patch

This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-hmm-hmm_pfns_bad-was-accessing-w... and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-hmm-hmm_pfns_bad-was-accessing-w...

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------------------------------------------------------ From: Jérôme Glisse jglisse@redhat.com Subject: mm/hmm: hmm_pfns_bad() was accessing wrong struct

The private field of mm_walk struct point to an hmm_vma_walk struct and not to the hmm_range struct desired. Fix to get proper struct pointer.

Link: http://lkml.kernel.org/r/20180320020038.3360-6-jglisse@redhat.com Signed-off-by: Jérôme Glisse jglisse@redhat.com Cc: Evgeny Baskakov ebaskakov@nvidia.com Cc: Ralph Campbell rcampbell@nvidia.com Cc: Mark Hairgrove mhairgrove@nvidia.com Cc: John Hubbard jhubbard@nvidia.com Cc: Balbir Singh bsingharora@gmail.com Cc: Jason Gunthorpe jgg@mellanox.com Cc: Logan Gunthorpe logang@deltatee.com Cc: Stephen Bates sbates@raithlin.com Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org ---

diff -puN mm/hmm.c~mm-hmm-hmm_pfns_bad-was-accessing-wrong-struct mm/hmm.c --- a/mm/hmm.c~mm-hmm-hmm_pfns_bad-was-accessing-wrong-struct +++ a/mm/hmm.c @@ -312,7 +312,8 @@ static int hmm_pfns_bad(unsigned long ad unsigned long end, struct mm_walk *walk) { - struct hmm_range *range = walk->private; + struct hmm_vma_walk *hmm_vma_walk = walk->private; + struct hmm_range *range = hmm_vma_walk->range; hmm_pfn_t *pfns = range->pfns; unsigned long i;

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Patches currently in -mm which might be from jglisse@redhat.com are

mm-hmm-fix-header-file-if-else-endif-maze-v2.patch mm-hmm-unregister-mmu_notifier-when-last-hmm-client-quit.patch mm-hmm-hmm_pfns_bad-was-accessing-wrong-struct.patch mm-hmm-use-struct-for-hmm_vma_fault-hmm_vma_get_pfns-parameters-v2.patch mm-hmm-remove-hmm_pfn_read-flag-and-ignore-peculiar-architecture-v2.patch mm-hmm-use-uint64_t-for-hmm-pfn-instead-of-defining-hmm_pfn_t-to-ulong-v2.patch mm-hmm-cleanup-special-vma-handling-vm_special.patch mm-hmm-do-not-differentiate-between-empty-entry-or-missing-directory-v2.patch mm-hmm-rename-hmm_pfn_device_unaddressable-to-hmm_pfn_device_private.patch mm-hmm-move-hmm_pfns_clear-closer-to-where-it-is-use.patch mm-hmm-factor-out-pte-and-pmd-handling-to-simplify-hmm_vma_walk_pmd.patch mm-hmm-change-hmm_vma_fault-to-allow-write-fault-on-page-basis.patch mm-hmm-use-device-driver-encoding-for-hmm-pfn-v2.patch