[PATCH] mm/zsmalloc: avoid unnecessary iteration in get_pages_per_zspage()

[Ganesh Mahendran]

if we find a zspage with usage == 100%, there is no need to
try other zspages.

Signed-off-by: Ganesh Mahendran <opensource.ganesh@xxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Nitin Gupta <ngupta@xxxxxxxxxx>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@xxxxxxxxx>
---
 mm/zsmalloc.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index fda7177..310c7b0 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -765,6 +765,9 @@ static int get_pages_per_zspage(int class_size)
 		if (usedpc > max_usedpc) {
 			max_usedpc = usedpc;
 			max_usedpc_order = i;
+
+			if (max_usedpc == 100)
+				break;
 		}
 	}
 
-- 
1.7.9.5