linux-kernel - [PATCH v6 03/17] zram: remove unused crypto include

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Message-ID: <20250214045208.1388854-4-senozhatsky@chromium.org>
Date: Fri, 14 Feb 2025 13:50:15 +0900
From: Sergey Senozhatsky <senozhatsky@...omium.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Yosry Ahmed <yosry.ahmed@...ux.dev>,
	Hillf Danton <hdanton@...a.com>,
	Kairui Song <ryncsn@...il.com>,
	Minchan Kim <minchan@...nel.org>,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Sergey Senozhatsky <senozhatsky@...omium.org>
Subject: [PATCH v6 03/17] zram: remove unused crypto include

We stopped using crypto API (for the time being), so remove
its include and replace CRYPTO_MAX_ALG_NAME with a local
define.

Signed-off-by: Sergey Senozhatsky <senozhatsky@...omium.org>
---
 drivers/block/zram/zcomp.c    | 1 -
 drivers/block/zram/zram_drv.c | 4 +++-
 drivers/block/zram/zram_drv.h | 1 -
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c
index 53e4c37441be..cfdde2e0748a 100644
--- a/drivers/block/zram/zcomp.c
+++ b/drivers/block/zram/zcomp.c
@@ -7,7 +7,6 @@
 #include <linux/wait.h>
 #include <linux/sched.h>
 #include <linux/cpuhotplug.h>
-#include <linux/crypto.h>
 #include <linux/vmalloc.h>
 
 #include "zcomp.h"
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index ca439f3b1b9a..0c8821b2b2d9 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -44,6 +44,8 @@ static DEFINE_MUTEX(zram_index_mutex);
 static int zram_major;
 static const char *default_compressor = CONFIG_ZRAM_DEF_COMP;
 
+#define ZRAM_MAX_ALGO_NAME_SZ	128
+
 /* Module params (documentation at end) */
 static unsigned int num_devices = 1;
 /*
@@ -1191,7 +1193,7 @@ static int __comp_algorithm_store(struct zram *zram, u32 prio, const char *buf)
 	size_t sz;
 
 	sz = strlen(buf);
-	if (sz >= CRYPTO_MAX_ALG_NAME)
+	if (sz >= ZRAM_MAX_ALGO_NAME_SZ)
 		return -E2BIG;
 
 	compressor = kstrdup(buf, GFP_KERNEL);
diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h
index 794c9234e627..2c380ea9a816 100644
--- a/drivers/block/zram/zram_drv.h
+++ b/drivers/block/zram/zram_drv.h
@@ -17,7 +17,6 @@
 
 #include <linux/rwsem.h>
 #include <linux/zsmalloc.h>
-#include <linux/crypto.h>
 
 #include "zcomp.h"
 
-- 
2.48.1.601.g30ceb7b040-goog