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mm: replace __access_remote_vm() write parameter with gup_flags
This removes the 'write' argument from __access_remote_vm() and replaces it with 'gup_flags' as use of this function previously silently implied FOLL_FORCE, whereas after this patch callers explicitly pass this flag. We make this explicit as use of FOLL_FORCE can result in surprising behaviour (and hence bugs) within the mm subsystem. Signed-off-by: Lorenzo Stoakes <firstname.lastname@example.org> Acked-by: Michal Hocko <email@example.com> Signed-off-by: Linus Torvalds <firstname.lastname@example.org>
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