Move c_src dirs back to toplevel

[bcachefs-tools-debian] / include / linux / sched / mm.h

diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
new file mode 100644 (file)
index 0000000..03feda7
--- /dev/null
+++ b/include/linux/sched/mm.h
@@ -0,0 +1,31 @@
+#ifndef _LINUX_SCHED_MM_H
+#define _LINUX_SCHED_MM_H
+
+#define PF_MEMALLOC            0x00000800      /* Allocating memory */
+#define PF_MEMALLOC_NOFS       0x00040000      /* All allocation requests will inherit GFP_NOFS */
+
+static inline unsigned int memalloc_nofs_save(void)
+{
+       unsigned int flags = current->flags & PF_MEMALLOC_NOFS;
+       current->flags |= PF_MEMALLOC_NOFS;
+       return flags;
+}
+
+static inline void memalloc_nofs_restore(unsigned int flags)
+{
+       current->flags = (current->flags & ~PF_MEMALLOC_NOFS) | flags;
+}
+
+static inline unsigned int memalloc_noreclaim_save(void)
+{
+       unsigned int flags = current->flags & PF_MEMALLOC;
+       current->flags |= PF_MEMALLOC;
+       return flags;
+}
+
+static inline void memalloc_noreclaim_restore(unsigned int flags)
+{
+       current->flags = (current->flags & ~PF_MEMALLOC) | flags;
+}
+
+#endif /* _LINUX_SCHED_MM_H */