[src/trunk]: src/sys/arch/aarch64/include Switch to NKMEMPAGES_MAX_UNLIMITED.

[jakllsch <jakllsch%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/264ae123ac4f
branches:  trunk
changeset: 994586:264ae123ac4f
user:      jakllsch <jakllsch%NetBSD.org@localhost>
date:      Wed Nov 14 20:03:28 2018 +0000

description:
Switch to NKMEMPAGES_MAX_UNLIMITED.

This aligns aarch64 with our other modern 64-bit ports.  Significantly
improves file caching utilization on aarch64 systems with copious RAM.

diffstat:

 sys/arch/aarch64/include/param.h |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (20 lines):

diff -r c5497bdebaa0 -r 264ae123ac4f sys/arch/aarch64/include/param.h
--- a/sys/arch/aarch64/include/param.h  Wed Nov 14 19:14:40 2018 +0000
+++ b/sys/arch/aarch64/include/param.h  Wed Nov 14 20:03:28 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: param.h,v 1.4 2018/10/12 01:28:58 ryo Exp $ */
+/* $NetBSD: param.h,v 1.5 2018/11/14 20:03:28 jakllsch Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -93,8 +93,8 @@
 #define MAXPHYS                        65536   /* max I/O transfer size */
 #endif
 
-#define NKMEMPAGES_MAX_DEFAULT ((2048UL * 1024 * 1024) >> PAGE_SHIFT)
-#define NKMEMPAGES_MIN_DEFAULT ((128UL * 1024 * 1024) >> PAGE_SHIFT)
+#define NKMEMPAGES_MIN_DEFAULT         ((128UL * 1024 * 1024) >> PAGE_SHIFT)
+#define NKMEMPAGES_MAX_UNLIMITED       1
 
 #ifdef AARCH64_PAGE_SHIFT
 #if (1 << AARCH64_PAGE_SHIFT) & ~0x141000