[PATCH v3 09/21] vmcore: modify vmcore clean-up function to freebuffer on 2nd kernel

[HATAYAMA Daisuke]

If flag MEM_TYPE_CURRENT_KERNEL is set, the object is copied in some
buffer on the 2nd kernel, so clean-up funciton needs to free it.

Signed-off-by: HATAYAMA Daisuke <d.hatayama@xxxxxxxxxxxxxx>
---

 fs/proc/vmcore.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 766e75f..b85ba32 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -940,6 +940,10 @@ void vmcore_cleanup(void)
 		struct vmcore *m;
 
 		m = list_entry(pos, struct vmcore, list);
+
+		if (m->flag & MEM_TYPE_CURRENT_KERNEL)
+			free_pages((unsigned long)m->buf, get_order(m->size));
+
 		list_del(&m->list);
 		kfree(m);
 	}

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