[CRIU] [PATCH] rst-malloc: adjust free_bytes in rst_mem_align_cpos

[Andrey Vagin]

From: Andrei Vagin <avagin at virtuozzo.com>

We need to adjust free_bytes each time when we change free_bytes.

https://github.com/xemul/criu/issues/140
Signed-off-by: Andrew Vagin <avagin at virtuozzo.com>
---
 criu/rst-malloc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/criu/rst-malloc.c b/criu/rst-malloc.c
index d394997..2702efd 100644
--- a/criu/rst-malloc.c
+++ b/criu/rst-malloc.c
@@ -128,8 +128,11 @@ unsigned long rst_mem_align_cpos(int type)
 {
 	struct rst_mem_type_s *t = &rst_mems[type];
 	BUG_ON(!t->remapable || !t->enabled);
+	void *ptr;
 
-	t->free_mem = (void *) round_up((unsigned long)t->free_mem, sizeof(void *));
+	ptr = (void *) round_up((unsigned long)t->free_mem, sizeof(void *));
+	t->free_bytes -= (ptr - t->free_mem);
+	t->free_mem = ptr;
 
 	return t->free_mem - t->buf;
 }
-- 
2.5.0