mm/zsmalloc.c: improve readability for async_free_zspage()

The class is extracted from pool->size_class[class_idx] again before
calling __free_zspage().  It looks like class will change after we fetch
the class lock.  But this is misleading as class will stay unchanged.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Miaohe Lin <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Nitin Gupta <[email protected]>
Cc: Sergey Senozhatsky <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 9198b16d4f17..68e8831068f4 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -2162,7 +2162,7 @@ static void async_free_zspage(struct work_struct *work)
 		VM_BUG_ON(fullness != ZS_EMPTY);
 		class = pool->size_class[class_idx];
 		spin_lock(&class->lock);
-		__free_zspage(pool, pool->size_class[class_idx], zspage);
+		__free_zspage(pool, class, zspage);
 		spin_unlock(&class->lock);
 	}
 };