diff options
| author | Jérôme Glisse <jglisse@redhat.com> | 2019-05-14 03:20:53 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 19:47:49 +0300 |
| commit | 7269f999934b289da7972e975b781417b07ef836 (patch) | |
| tree | 5f6ebac6adf78670145c7c214b7f19135ad5dd1d /mm/hugetlb.c | |
| parent | 6f4f13e8d9e27cefd2cd88dd4fd80aa6d68b9131 (diff) | |
| download | linux-7269f999934b289da7972e975b781417b07ef836.tar.xz | |
mm/mmu_notifier: use correct mmu_notifier events for each invalidation
This updates each existing invalidation to use the correct mmu notifier
event that represent what is happening to the CPU page table. See the
patch which introduced the events to see the rational behind this.
Link: http://lkml.kernel.org/r/20190326164747.24405-7-jglisse@redhat.com
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Jason Gunthorpe <jgg@mellanox.com>
Cc: Ross Zwisler <zwisler@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krcmar <rkrcmar@redhat.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Christian Koenig <christian.koenig@amd.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 89d206d6ecf3..cab38ef30238 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3294,7 +3294,7 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src, cow = (vma->vm_flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE; if (cow) { - mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, src, + mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, src, vma->vm_start, vma->vm_end); mmu_notifier_invalidate_range_start(&range); @@ -3675,7 +3675,7 @@ retry_avoidcopy: pages_per_huge_page(h)); __SetPageUptodate(new_page); - mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, haddr, + mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm, haddr, haddr + huge_page_size(h)); mmu_notifier_invalidate_range_start(&range); @@ -4411,8 +4411,8 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma, * start/end. Set range.start/range.end to cover the maximum possible * range if PMD sharing is possible. */ - mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, mm, start, - end); + mmu_notifier_range_init(&range, MMU_NOTIFY_PROTECTION_VMA, + 0, vma, mm, start, end); adjust_range_if_pmd_sharing_possible(vma, &range.start, &range.end); BUG_ON(address >= end); |