[PATCH 5/6] zsmalloc: break out of loop when found perfect zspage order

From: Sergey Senozhatsky
Date: Mon Oct 24 2022 - 13:48:49 EST


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 fa55e0c66f8d..40a09b1f63b5 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -790,6 +790,9 @@ static int get_pages_per_zspage(struct zs_pool *pool, int class_size)
max_usedpc = usedpc;
max_usedpc_order = i;
}
+
+ if (usedpc == 100)
+ break;
}

return max_usedpc_order;
--
2.38.0.135.g90850a2211-goog