From f056ad1633949334fd15da706b2a34adb3a0ec0e Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Fri, 17 Aug 2018 11:52:23 +0200
Subject: [PATCH] allow a small amount of cache on low end devices

---
 policy.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/policy.go b/policy.go
index 1f5805e3b..513ba5416 100644
--- a/policy.go
+++ b/policy.go
@@ -83,8 +83,8 @@ func init() {
 		defaultBufferSize = -1 // For pipe to use unlimited size
 	case defaultValue: // Env flag not defined. Use default values per CPU-arch.
 		switch runtime.GOARCH {
-		case "arm", "mips", "mipsle", "mips64", "mips64le":
-			defaultBufferSize = 0 // Disable pipe caching for low-end devices
+		case "arm", "arm64", "mips", "mipsle", "mips64", "mips64le":
+			defaultBufferSize = 16 * 1024 // 16k cache for low-end devices
 		default:
 			defaultBufferSize = 2 * 1024 * 1024
 		}