Module Name: src
Committed By: thorpej
Date: Sat Aug 29 20:08:08 UTC 2020
Modified Files:
src/sys/arch/alpha/include: vmparam.h
Log Message:
Bump UBC_WINSHIFT to 16 (64KB), and UBC_NWINS to 4096 (256MB total).
Alpha has plenty of KVA to use for this.
To generate a diff of this commit:
cvs rdiff -u -r1.38 -r1.39 src/sys/arch/alpha/include/vmparam.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/alpha/include/vmparam.h
diff -u src/sys/arch/alpha/include/vmparam.h:1.38 src/sys/arch/alpha/include/vmparam.h:1.39
--- src/sys/arch/alpha/include/vmparam.h:1.38 Mon Dec 10 16:12:19 2012
+++ src/sys/arch/alpha/include/vmparam.h Sat Aug 29 20:08:08 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: vmparam.h,v 1.38 2012/12/10 16:12:19 chs Exp $ */
+/* $NetBSD: vmparam.h,v 1.39 2020/08/29 20:08:08 thorpej Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@@ -58,6 +58,17 @@
#define PAGE_MASK (PAGE_SIZE - 1)
/*
+ * Defaults for Unified Buffer Cache parameters.
+ */
+
+#ifndef UBC_WINSHIFT
+#define UBC_WINSHIFT 16 /* 64KB */
+#endif
+#ifndef UBC_NWINS
+#define UBC_NWINS 4096 /* for a total of 256MB */
+#endif
+
+/*
* USRSTACK is the top (end) of the user stack.
*
* Digital UNIX (formerly DEC OSF/1) places the stack below the
