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| author | Jérôme Glisse <jglisse@redhat.com> | 2019-05-13 17:20:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 09:47:49 -0700 |
| commit | 7269f999934b289da7972e975b781417b07ef836 (patch) | |
| tree | 5f6ebac6adf78670145c7c214b7f19135ad5dd1d /mm/rmap.c | |
| parent | 6f4f13e8d9e27cefd2cd88dd4fd80aa6d68b9131 (diff) | |
| download | lwn-7269f999934b289da7972e975b781417b07ef836.tar.gz lwn-7269f999934b289da7972e975b781417b07ef836.zip | |
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/rmap.c')
| -rw-r--r-- | mm/rmap.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 288e636b7813..0cbed70700ed 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -896,8 +896,8 @@ static bool page_mkclean_one(struct page *page, struct vm_area_struct *vma, * We have to assume the worse case ie pmd for invalidation. Note that * the page can not be free from this function. */ - mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, - address, + mmu_notifier_range_init(&range, MMU_NOTIFY_PROTECTION_PAGE, + 0, vma, vma->vm_mm, address, min(vma->vm_end, address + (PAGE_SIZE << compound_order(page)))); mmu_notifier_invalidate_range_start(&range); @@ -1372,7 +1372,7 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma, * Note that the page can not be free in this function as call of * try_to_unmap() must hold a reference on the page. */ - mmu_notifier_range_init(&range, MMU_NOTIFY_UNMAP, 0, vma, vma->vm_mm, + mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm, address, min(vma->vm_end, address + (PAGE_SIZE << compound_order(page)))); |