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Subject[PATCH v21 039/100] c/r: introduce method '->checkpoint()' in struct vm_operations_struct
Date
Changelog[v17]
- Forward-declare 'ckpt_ctx et-al, don't use checkpoint_types.h

Cc: linux-fsdevel@vger.kernel.org
Cc: linux-mm@kvack.org
Signed-off-by: Oren Laadan <orenl@cs.columbia.edu>
Acked-by: Serge E. Hallyn <serue@us.ibm.com>
Tested-by: Serge E. Hallyn <serue@us.ibm.com>
---
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 462acaf..4dfaf69 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -20,6 +20,7 @@ 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;
@@ -221,6 +222,9 @@ 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;
--
1.6.3.3


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