Use helper function mmu_notifier_synchronize() to ensure all mmu_notifiers are freed. Minor readability improvement. Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> --- mm/mmu_notifier.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c index 459d195d2ff6..159f70c20236 100644 --- a/mm/mmu_notifier.c +++ b/mm/mmu_notifier.c @@ -334,15 +334,15 @@ static void mn_hlist_release(struct mmu_notifier_subscriptions *subscriptions, srcu_read_unlock(&srcu, id); /* - * synchronize_srcu here prevents mmu_notifier_release from returning to - * exit_mmap (which would proceed with freeing all pages in the mm) - * until the ->release method returns, if it was invoked by - * mmu_notifier_unregister. + * mmu_notifier_synchronize here prevents mmu_notifier_release from + * returning to exit_mmap (which would proceed with freeing all pages + * in the mm) until the ->release method returns, if it was invoked + * by mmu_notifier_unregister. * * The notifier_subscriptions can't go away from under us because * one mm_count is held by exit_mmap. */ - synchronize_srcu(&srcu); + mmu_notifier_synchronize(); } void __mmu_notifier_release(struct mm_struct *mm) @@ -851,7 +851,7 @@ void mmu_notifier_unregister(struct mmu_notifier *subscription, * Wait for any running method to finish, of course including * ->release if it was run by mmu_notifier_release instead of us. */ - synchronize_srcu(&srcu); + mmu_notifier_synchronize(); BUG_ON(atomic_read(&mm->mm_count) <= 0); -- 2.23.0
