[Devel] [PATCH 4/4] remove checkpoint_types.h dependency from mm.h

[Nathan Lynch]

The checkpoint-related declarations in mm.h don't require the
definitions of struct ckpt_ctx and ckpt_hdr_vma; simply forward
declare these and remove the include of checkpoint_types.h.

Signed-off-by: Nathan Lynch <ntl at pobox.com>
---
 include/linux/mm.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index c8e8972..fa89212 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -14,13 +14,12 @@
 #include <linux/debug_locks.h>
 #include <linux/mm_types.h>
 
-#include <linux/checkpoint_types.h>
-
 struct mempolicy;
 struct anon_vma;
 struct file_ra_state;
 struct user_struct;
 struct writeback_control;
+struct ckpt_ctx;
 
 #ifndef CONFIG_DISCONTIGMEM          /* Don't use mapnrs, do it properly */
 extern unsigned long max_mapnr;
@@ -1199,6 +1198,7 @@ void task_dirty_inc(struct task_struct *tsk);
 
 /* checkpoint/restart */
 #ifdef CONFIG_CHECKPOINT
+struct ckpt_hdr_vma;
 extern int filemap_restore(struct ckpt_ctx *ctx, struct mm_struct *mm,
 			   struct ckpt_hdr_vma *hh);
 extern int special_mapping_restore(struct ckpt_ctx *ctx, struct mm_struct *mm,
-- 
1.6.0.6

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