X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Flinux%2Fsched%2Fmm.h;h=03feda7ab1defe0d03c9dce745df7a52f311d3c7;hb=1e574cb1aa07ab3a796c7d6c5501b96f3056ef4d;hp=347105c6e0caa83b7637459bd73de71bfe5bfb47;hpb=41bec63b265a38dd9fa168b6042ea5bf07135048;p=bcachefs-tools-debian

diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index 347105c..03feda7 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -1,7 +1,8 @@
 #ifndef _LINUX_SCHED_MM_H
 #define _LINUX_SCHED_MM_H
 
-#define PF_MEMALLOC_NOFS 0
+#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)
 {
@@ -15,4 +16,16 @@ 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 */