mm: add a helper function to check may oom condition

[mirror_ubuntu-artful-kernel.git] / include / linux / oom.h

diff --git a/include/linux/oom.h b/include/linux/oom.h
index da60007075b509b864d386b3d9092c77aec97c64..4cd62677feb9eaf8f9a4647231663a8d7a42f986 100644 (file)
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -82,6 +82,11 @@ static inline void oom_killer_enable(void)
        oom_killer_disabled = false;
 }
 
+static inline bool oom_gfp_allowed(gfp_t gfp_mask)
+{
+       return (gfp_mask & __GFP_FS) && !(gfp_mask & __GFP_NORETRY);
+}
+
 extern struct task_struct *find_lock_task_mm(struct task_struct *p);
 
 /* sysctls */