Later patch will copy ELF note segments in buffer on the 2nd
kernel. To handle memory on the 1st kernel (old memory) and memory on
the 2nd kernel in vmcore_list uniformly, introduce
MEM_TYPE_CURRENT_KERNEL flag. If this flag is set, the vmcore object
corresponds to buffer on the 2nd kernel.
Signed-off-by: HATAYAMA Daisuke <d.hatayama at jp.fujitsu.com>
---
include/linux/proc_fs.h | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 94dfb2a..fefead4 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -97,11 +97,17 @@ struct kcore_list {
int type;
};
+#define MEM_TYPE_CURRENT_KERNEL 0x1
+
struct vmcore {
struct list_head list;
- unsigned long long paddr;
+ union {
+ unsigned long long paddr;
+ char *buf;
+ };
unsigned long long size;
loff_t offset;
+ unsigned int flag;
};
#ifdef CONFIG_PROC_FS
