[PATCH] zsmalloc: zspage sanity check

[Minchan Kim]

The zsmalloc page migration is new feature so I want to catch any
corruption of zspage struct which is very critical to work
regardless of CONFIG_DEBUG_VM.

Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
---
 mm/zsmalloc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index a80100db16d6..f75d2d134741 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -523,7 +523,7 @@ static void get_zspage_mapping(struct zspage *zspage,
 				unsigned int *class_idx,
 				enum fullness_group *fullness)
 {
-	VM_BUG_ON(zspage->magic != ZSPAGE_MAGIC);
+	BUG_ON(zspage->magic != ZSPAGE_MAGIC);
 
 	*fullness = zspage->fullness;
 	*class_idx = zspage->class;
@@ -857,7 +857,7 @@ static struct zspage *get_zspage(struct page *page)
 {
 	struct zspage *zspage = (struct zspage *)page->private;
 
-	VM_BUG_ON(zspage->magic != ZSPAGE_MAGIC);
+	BUG_ON(zspage->magic != ZSPAGE_MAGIC);
 	return zspage;
 }
 
-- 
1.9.1