git: drm/ttm: Partially sync the vm fault code with Linux

[Francois Tigeot]

commit 5f38e86d1cf9e0d56a5248c9a4abc737d4953af3
Author: François Tigeot <ftigeot at wolfpond.org>
Date:   Sat Aug 24 14:17:17 2019 +0200

    drm/ttm: Partially sync the vm fault code with Linux
    
    Prevent crashes with Mesa-using applications.

Summary of changes:
 sys/dev/drm/include/linux/mm.h |   8 ++-
 sys/dev/drm/ttm/ttm_bo_vm.c    | 116 ++++++++++++++++++++++++++++++-----------
 2 files changed, 92 insertions(+), 32 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/5f38e86d1cf9e0d56a5248c9a4abc737d4953af3


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