Fix compile failures when CONFIG_CHECKPOINT=n
These structure members are only defined if CONFIG_CHECKPOINT=y.
Ensure that we can always build by protecting them with #ifdef
CONFIG_CHECKPOINT. Would be nice to avoid the #ifdefferry but I
don't see a better way to do it...
Signed-off-by: Matt Helsley <matthltc@xxxxxxxxxx>
---
diff --git a/ipc/shm.c b/ipc/shm.c
index 70e0651..da27d92 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -376,7 +376,7 @@ int ipcshm_restore(struct ckpt_ctx *ctx, struct mm_struct *mm,
return ret;
}
#else
-define ipcshm_checkpoint NULL
+#define ipcshm_checkpoint NULL
#endif
static const struct file_operations shm_file_operations = {
@@ -394,7 +394,9 @@ static struct vm_operations_struct shm_vm_ops = {
.set_policy = shm_set_policy,
.get_policy = shm_get_policy,
#endif
+#ifdef CONFIG_CHECKPOINT
.checkpoint = ipcshm_checkpoint,
+#endif
};
/**
diff --git a/mm/filemap.c b/mm/filemap.c
index af83da7..93aa64b 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1716,7 +1716,9 @@ int filemap_restore(struct ckpt_ctx *ctx,
struct vm_operations_struct generic_file_vm_ops = {
.fault = filemap_fault,
+#ifdef CONFIG_CHECKPOINT
.checkpoint = filemap_checkpoint,
+#endif /* CONFIG_CHECKPOINT */
};
/* This is used for a general mmap of a disk file */
diff --git a/mm/mmap.c b/mm/mmap.c
index 555a6a3..ef7c9e0 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2322,7 +2322,9 @@ int special_mapping_restore(struct ckpt_ctx *ctx,
static struct vm_operations_struct special_mapping_vmops = {
.close = special_mapping_close,
.fault = special_mapping_fault,
+#ifdef CONFIG_CHECKPOINT
.checkpoint = special_mapping_checkpoint,
+#endif
};
/*
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