linux-kernel - [PATCH 1/2] staging: zram: Remove some dead code

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Date:	Thu, 21 Jun 2012 00:32:44 -0300
From:	Marcos Paulo de Souza <marcos.souza.org@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	linux-mm-cc@...top.org, ngupta@...are.org,
	Marcos Paulo de Souza <marcos.souza.org@...il.com>
Subject: [PATCH 1/2] staging: zram: Remove some dead code

This patch removes code that is never executed by zram.

Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@...il.com>
---
 drivers/staging/zram/zram_drv.c |    9 ---------
 drivers/staging/zram/zram_drv.h |    3 ---
 2 files changed, 12 deletions(-)

diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
index 685d612..5216ee1 100644
--- a/drivers/staging/zram/zram_drv.c
+++ b/drivers/staging/zram/zram_drv.c
@@ -415,15 +415,6 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index,
 	cmem = zs_map_object(zram->mem_pool, handle);
 
 memstore:
-#if 0
-	/* Back-reference needed for memory defragmentation */
-	if (!zram_test_flag(zram, index, ZRAM_UNCOMPRESSED)) {
-		zheader = (struct zobj_header *)cmem;
-		zheader->table_idx = index;
-		cmem += sizeof(*zheader);
-	}
-#endif
-
 	memcpy(cmem, src, clen);
 
 	if (unlikely(zram_test_flag(zram, index, ZRAM_UNCOMPRESSED))) {
diff --git a/drivers/staging/zram/zram_drv.h b/drivers/staging/zram/zram_drv.h
index fbe8ac9..fe3f8fe 100644
--- a/drivers/staging/zram/zram_drv.h
+++ b/drivers/staging/zram/zram_drv.h
@@ -33,9 +33,6 @@ static const unsigned max_num_devices = 32;
  * object. This is required to support memory defragmentation.
  */
 struct zobj_header {
-#if 0
-	u32 table_idx;
-#endif
 };
 
 /*-- Configurable parameters */
-- 
1.7.10.2

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