Merge branch 'master'

1 files changed, 0 insertions, 2 deletions

diff --git a/arch/x86_64/mm/pageattr.c b/arch/x86_64/mm/pageattr.c
index 94862e1ec032..b90e8fe9eeb0 100644
--- a/arch/x86_64/mm/pageattr.c
+++ b/arch/x86_64/mm/pageattr.c
@@ -220,8 +220,6 @@ void global_flush_tlb(void)
         down_read(&init_mm.mmap_sem);
         df = xchg(&df_list, NULL);
         up_read(&init_mm.mmap_sem);
-        if (!df)
-                return;
         flush_map((df && !df->next) ? df->address : 0);
         for (; df; df = next_df) { 
                 next_df = df->next;