diff options
| -rw-r--r-- | drivers/dax/device.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dax/device.c b/drivers/dax/device.c index be8606457f27..aff2c1594220 100644 --- a/drivers/dax/device.c +++ b/drivers/dax/device.c @@ -19,6 +19,7 @@ #include <linux/dax.h> #include <linux/fs.h> #include <linux/mm.h> +#include <linux/mman.h> #include "dax-private.h" #include "dax.h" @@ -540,6 +541,7 @@ static const struct file_operations dax_fops = { .release = dax_release, .get_unmapped_area = dax_get_unmapped_area, .mmap = dax_mmap, + .mmap_supported_flags = MAP_SYNC, }; static void dev_dax_release(struct device *dev) |