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authorLorenzo Stoakes <lstoakes@gmail.com>2016-10-13 01:20:12 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-18 14:13:37 -0700
commitd4944b0ecec0af882483fe44b66729316e575208 (patch)
tree0c16d81fa34c04dc63e4457e363edcfc21bfdfac /virt/kvm/async_pf.c
parent859110d7497cdd0e6b21010d6f777049d676382c (diff)
downloadlinux-sh-d4944b0ecec0af882483fe44b66729316e575208.tar.gz
mm: remove write/force parameters from __get_user_pages_unlocked()
This removes the redundant 'write' and 'force' parameters from __get_user_pages_unlocked() to make the use of FOLL_FORCE explicit in callers as use of this flag can result in surprising behaviour (and hence bugs) within the mm subsystem. Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Jan Kara <jack@suse.cz> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'virt/kvm/async_pf.c')
-rw-r--r--virt/kvm/async_pf.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c
index db9668869f6f..8035cc1eb955 100644
--- a/virt/kvm/async_pf.c
+++ b/virt/kvm/async_pf.c
@@ -84,7 +84,8 @@ static void async_pf_execute(struct work_struct *work)
* mm and might be done in another context, so we must
* use FOLL_REMOTE.
*/
- __get_user_pages_unlocked(NULL, mm, addr, 1, 1, 0, NULL, FOLL_REMOTE);
+ __get_user_pages_unlocked(NULL, mm, addr, 1, NULL,
+ FOLL_WRITE | FOLL_REMOTE);
kvm_async_page_present_sync(vcpu, apf);