On Thu, Nov 17, 2016 at 02:11:30PM -0500, Johannes Weiner wrote: > When a radix tree iteration drops the tree lock, another thread might > swoop in and free the node holding the current slot. The iteration > needs to do another tree lookup from the current index to continue. > > [[email protected]: re-lookup for replacement] > Fixes: f3f0e1d2150b ("khugepaged: add support of collapse for tmpfs/shmem > pages") > Signed-off-by: Johannes Weiner <[email protected]>
Acked-by: Kirill A. Shutemov <[email protected]> -- Kirill A. Shutemov
