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H A D | hmm.c | diff ec131b2d7fa629edf88a1f51669d1b4a189cba44 Tue Oct 30 23:04:28 CET 2018 Jérôme Glisse <jglisse@redhat.com> mm/hmm: invalidate device page table at start of invalidation
Invalidate device page table at start of invalidation and invalidate in progress CPU page table snapshooting at both start and end of any invalidation.
This is helpful when device need to dirty page because the device page table report the page as dirty. Dirtying page must happen in the start mmu notifier callback and not in the end one.
Link: http://lkml.kernel.org/r/20181019160442.18723-7-jglisse@redhat.com Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: John Hubbard <jhubbard@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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