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authorPeter Xu <[email protected]>2020-04-01 21:09:00 -0700
committerLinus Torvalds <[email protected]>2020-04-02 09:35:30 -0700
commit3e69ad081c18d138fc7fd0f1ceef3b055ab10549 (patch)
treecd09a00afefd3b27977291aed71755fcd5683293 /tools/perf/scripts/python/exported-sql-viewer.py
parent71335f37c5e8ec9225285206f7f875057b9737ad (diff)
mm/userfaultfd: honor FAULT_FLAG_KILLABLE in fault path
Userfaultfd fault path was by default killable even if the caller does not have FAULT_FLAG_KILLABLE. That makes sense before in that when with gup we don't have FAULT_FLAG_KILLABLE properly set before. Now after previous patch we've got FAULT_FLAG_KILLABLE applied even for gup code so it should also make sense to let userfaultfd to honor the FAULT_FLAG_KILLABLE. Because we're unconditionally setting FAULT_FLAG_KILLABLE in gup code right now, this patch should have no functional change. It also cleaned the code a little bit by introducing some helpers. Signed-off-by: Peter Xu <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Tested-by: Brian Geffon <[email protected]> Cc: Andrea Arcangeli <[email protected]> Cc: Bobby Powers <[email protected]> Cc: David Hildenbrand <[email protected]> Cc: Denis Plotnikov <[email protected]> Cc: "Dr . David Alan Gilbert" <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: Jerome Glisse <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: "Kirill A . Shutemov" <[email protected]> Cc: Martin Cracauer <[email protected]> Cc: Marty McFadden <[email protected]> Cc: Matthew Wilcox <[email protected]> Cc: Maya Gokhale <[email protected]> Cc: Mel Gorman <[email protected]> Cc: Mike Kravetz <[email protected]> Cc: Mike Rapoport <[email protected]> Cc: Pavel Emelyanov <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]>
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