[PATCHv4 9/9] zsmalloc: break out of loop when found perfect zspage order

[Sergey Senozhatsky]

If we found zspage configuration that gives us perfect
100% used percentage (zero wasted space) then there is
no point it trying any other configuration

Signed-off-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
---
 mm/zsmalloc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 42987a913f45..a40c548520d3 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -787,6 +787,9 @@ static int get_pages_per_zspage(u32 class_size, u32 num_pages)
 			max_usedpc = usedpc;
 			max_usedpc_order = i;
 		}
+
+		if (usedpc == 100)
+			break;
 	}
 
 	return max_usedpc_order;
-- 
2.38.1.273.g43a17bfeac-goog