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[src/trunk]: src/sys/arch Bump UBC defaults on sparc64 & aarch64, which alrea...
details: https://anonhg.NetBSD.org/src/rev/6587e82b2ac9
branches: trunk
changeset: 848257:6587e82b2ac9
user: ad <ad%NetBSD.org@localhost>
date: Wed Jan 22 16:59:37 2020 +0000
description:
Bump UBC defaults on sparc64 & aarch64, which already have a large pager_map.
diffstat:
sys/arch/aarch64/include/vmparam.h | 13 ++++++++++++-
sys/arch/sparc64/include/vmparam.h | 13 ++++++++++++-
2 files changed, 24 insertions(+), 2 deletions(-)
diffs (54 lines):
diff -r 889a9b407a5d -r 6587e82b2ac9 sys/arch/aarch64/include/vmparam.h
--- a/sys/arch/aarch64/include/vmparam.h Wed Jan 22 16:52:46 2020 +0000
+++ b/sys/arch/aarch64/include/vmparam.h Wed Jan 22 16:59:37 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vmparam.h,v 1.9 2020/01/21 10:54:11 jmcneill Exp $ */
+/* $NetBSD: vmparam.h,v 1.10 2020/01/22 16:59:38 ad Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -42,6 +42,17 @@
#define PAGER_MAP_DEFAULT_SIZE (512 * 1024 * 1024)
/*
+ * Defaults for Unified Buffer Cache parameters.
+ */
+
+#ifndef UBC_WINSHIFT
+#define UBC_WINSHIFT 16 /* 64kB */
+#endif
+#ifndef UBC_NWINS
+#define UBC_NWINS 4096 /* 256MB */
+#endif
+
+/*
* AARCH64 supports 3 page sizes: 4KB, 16KB, 64KB. Each page table can
* even have its own page size.
*/
diff -r 889a9b407a5d -r 6587e82b2ac9 sys/arch/sparc64/include/vmparam.h
--- a/sys/arch/sparc64/include/vmparam.h Wed Jan 22 16:52:46 2020 +0000
+++ b/sys/arch/sparc64/include/vmparam.h Wed Jan 22 16:59:37 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: vmparam.h,v 1.39 2018/09/03 16:29:28 riastradh Exp $ */
+/* $NetBSD: vmparam.h,v 1.40 2020/01/22 16:59:37 ad Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -64,6 +64,17 @@
#define PAGER_MAP_DEFAULT_SIZE (512 * 1024 * 1024)
/*
+ * Defaults for Unified Buffer Cache parameters.
+ */
+
+#ifndef UBC_WINSHIFT
+#define UBC_WINSHIFT 16 /* 64kB */
+#endif
+#ifndef UBC_NWINS
+#define UBC_NWINS 4096 /* 256MB */
+#endif
+
+/*
* The kernel itself is mapped by the boot loader with 4Mb locked VM pages,
* so let's keep 4Mb definitions here as well.
*/
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