Apply preempt_rt patch-4.9-rt1.patch.xz

[zynq/linux.git] / mm / backing-dev.c

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 8fde443f36d778ffae9e66643387575ce7be9307..d7a863b0ec2043d3419d5c66f189d4a435c76418 100644 (file)
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -457,9 +457,9 @@ void wb_congested_put(struct bdi_writeback_congested *congested)
 {
        unsigned long flags;
 
-       local_irq_save(flags);
+       local_irq_save_nort(flags);
        if (!atomic_dec_and_lock(&congested->refcnt, &cgwb_lock)) {
-               local_irq_restore(flags);
+               local_irq_restore_nort(flags);
                return;
        }