[PATCH 2/4] staging: zsmalloc: remove unused pool name

Seth Jennings
2013-01-25T17:46:42Z

zs_create_pool() currently takes a name argument which is
never used in any useful way.

This patch removes it.

Acked-by: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Seth Jennnings <sjenning@linux.vnet.ibm.com>
---
drivers/staging/zram/zram_drv.c | 2 +-
drivers/staging/zsmalloc/zsmalloc-main.c | 11 +++--------
drivers/staging/zsmalloc/zsmalloc.h | 2 +-
3 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
index 836dccf..2086682 100644
--- a/drivers/staging/zram/zram_drv.c
+++ b/drivers/staging/zram/zram_drv.c
@@ -565,7 +565,7 @@ int zram_init_device(struct zram *zram)
/* zram devices sort of resembles non-rotational disks */
queue_flag_set_unlocked(QUEUE_FLAG_NONROT, zram->disk->queue);

- zram->mem_pool = zs_create_pool("zram", GFP_KERNEL);
+ zram->mem_pool = zs_create_pool(GFP_KERNEL);
if (!zram->mem_pool) {
pr_err("Error creating memory pool\n");
ret = -ENOMEM;
diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c
index f29f170..711a854 100644
--- a/drivers/staging/zsmalloc/zsmalloc-main.c
+++ b/drivers/staging/zsmalloc/zsmalloc-main.c
@@ -798,8 +798,7 @@ fail:

/**
* zs_create_pool - Creates an allocation pool to work from.
- * @name: name of the pool to be created
- * @flags: allocation flags used when growing pool
+ * @flags: allocation flags used to allocate pool metadata
*
* This function must be called before anything when using
* the zsmalloc allocator.
@@ -807,14 +806,11 @@ fail:
* On success, a pointer to the newly created pool is returned,
* otherwise NULL.
*/
-struct zs_pool *zs_create_pool(const char *name, gfp_t flags)
+struct zs_pool *zs_create_pool(gfp_t flags)
{
int i, ovhd_size;
struct zs_pool *pool;

- if (!name)
- return NULL;
-
ovhd_size = roundup(sizeof(*pool), PAGE_SIZE);
pool = kzalloc(ovhd_size, flags);
if (!pool)
@@ -836,8 +832,6 @@ struct zs_pool *zs_create_pool(const char *name, gfp_t flags)

}

- pool->name = name;
-
return pool;
}
EXPORT_SYMBOL_GPL(zs_create_pool);
@@ -866,6 +860,7 @@ EXPORT_SYMBOL_GPL(zs_destroy_pool);
* zs_malloc - Allocate block of given size from pool.
* @pool: pool to allocate from
* @size: size of block to allocate
+ * @flags: gfp flags used when expanding the pool
*
* On success, handle to the allocated object is returned,
* otherwise 0.
diff --git a/drivers/staging/zsmalloc/zsmalloc.h b/drivers/staging/zsmalloc/zsmalloc.h
index 907ff03..25a4b4d 100644
--- a/drivers/staging/zsmalloc/zsmalloc.h
+++ b/drivers/staging/zsmalloc/zsmalloc.h
@@ -28,7 +28,7 @@ enum zs_mapmode {

struct zs_pool;

-struct zs_pool *zs_create_pool(const char *name, gfp_t flags);
+struct zs_pool *zs_create_pool(gfp_t flags);
void zs_destroy_pool(struct zs_pool *pool);

unsigned long zs_malloc(struct zs_pool *pool, size_t size, gfp_t flags);
--
1.7.9.5