[PATCH v18 36/80] c/r: introduce method '->checkpoint()' in struct vm_operations_struct

Oren Laadan
2009-09-24T00:29:59Z

Changelog[v17]
- Forward-declare 'ckpt_ctx et-al, don't use checkpoint_types.h

Signed-off-by: Oren Laadan <orenl@cs.columbia.edu>
---
include/linux/mm.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 9a72cc7..d5ace89 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -19,6 +19,7 @@ struct file_ra_state;
struct user_struct;
struct writeback_control;
struct rlimit;
+struct ckpt_ctx;

#ifndef CONFIG_DISCONTIGMEM /* Don't use mapnrs, do it properly */
extern unsigned long max_mapnr;
@@ -218,6 +219,9 @@ struct vm_operations_struct {
int (*migrate)(struct vm_area_struct *vma, const nodemask_t *from,
const nodemask_t *to, unsigned long flags);
#endif
+#ifdef CONFIG_CHECKPOINT
+ int (*checkpoint)(struct ckpt_ctx *ctx, struct vm_area_struct *vma);
+#endif
};

struct mmu_gather;
--
1.6.0.4