[PATCH 5/7] zram/xvmalloc: wrap debug code in #ifdef DEBUG

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This wraps the code, noted by comments as being debug code, with
#ifdef DEBUG so that it is removed from running in non-debug kernels.

Signed-off-by: Robert Jennings <rcj@xxxxxxxxxxxxxxxxxx>
---
 drivers/staging/zram/xvmalloc.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/zram/xvmalloc.c b/drivers/staging/zram/xvmalloc.c
index b3622f1..172514e 100644
--- a/drivers/staging/zram/xvmalloc.c
+++ b/drivers/staging/zram/xvmalloc.c
@@ -219,7 +219,6 @@ static void insert_block(struct xv_pool *pool, struct page *page, u32 offset,
 static void remove_block_head(struct xv_pool *pool,
 			struct block_header *block, u32 slindex)
 {
-	struct block_header *tmpblock;
 	u32 flindex = slindex / BITS_PER_LONG;
 
 	pool->freelist[slindex].page = block->link.next_page;
@@ -232,6 +231,8 @@ static void remove_block_head(struct xv_pool *pool,
 		if (!pool->slbitmap[flindex])
 			__clear_bit(flindex, &pool->flbitmap);
 	} else {
+#ifdef DEBUG
+		struct block_header *tmpblock;
 		/*
 		 * DEBUG ONLY: We need not reinitialize freelist head previous
 		 * pointer to 0 - we never depend on its value. But just for
@@ -242,6 +243,7 @@ static void remove_block_head(struct xv_pool *pool,
 		tmpblock->link.prev_page = 0;
 		tmpblock->link.prev_offset = 0;
 		put_ptr_atomic(tmpblock, KM_USER1);
+#endif
 	}
 }
 
-- 
1.6.0.2

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