Add/fix the comment.
Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
---
drivers/staging/zsmalloc/zsmalloc-main.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/zsmalloc/zsmalloc-main.c b/drivers/staging/zsmalloc/zsmalloc-main.c
index 8642800..4496737 100644
--- a/drivers/staging/zsmalloc/zsmalloc-main.c
+++ b/drivers/staging/zsmalloc/zsmalloc-main.c
@@ -566,13 +566,9 @@ 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
- * @page: page no. that holds the object
- * @offset: location of object within page
- *
- * On success, <page, offset> identifies block allocated
- * and 0 is returned. On failure, <page, offset> is set to
- * 0 and -ENOMEM is returned.
*
+ * On success, handle to the allocated object is returned,
+ * otherwise NULL.
* Allocation requests with size > ZS_MAX_ALLOC_SIZE will fail.
*/
void *zs_malloc(struct zs_pool *pool, size_t size)
@@ -667,6 +663,15 @@ void zs_free(struct zs_pool *pool, void *obj)
}
EXPORT_SYMBOL_GPL(zs_free);
+/**
+ * zs_map_object - get address of allocated object from handle.
+ * @pool: pool from which the object was allocated
+ * @handle: handle returned from zs_malloc
+ *
+ * Before using an object allocated from zs_malloc, it must be mapped using
+ * this function. When done with the object, it must be unmapped using
+ * zs_unmap_object
+*/
void *zs_map_object(struct zs_pool *pool, void *handle)
{
struct page *page;
--
1.7.9.5
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