[PATCH 1/4] fs: add OOM badness callback in file_operatrations struct.

[Andrey Grodzovsky]

This allows device drivers to specify an additional badness for the OOM
when they allocate memory on behalf of userspace.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
---
 include/linux/fs.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 511fbaa..938394a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1728,6 +1728,7 @@ struct file_operations {
 			u64);
 	ssize_t (*dedupe_file_range)(struct file *, u64, u64, struct file *,
 			u64);
+	long (*oom_file_badness)(struct file *);
 } __randomize_layout;
 
 struct inode_operations {
-- 
2.7.4