Module Name: src
Committed By: mrg
Date: Sat Nov 11 20:23:49 UTC 2017
Modified Files:
src/sys/arch/amd64/include: vmparam.h
Log Message:
bump PAGER_MAP_DEFAULT_SIZE to 512MB. this should allow more
concurrent IOs to be possible, and i'm unable to see pager_map
contention any more.
other larger platforms should probably do this too.
ok chs@.
To generate a diff of this commit:
cvs rdiff -u -r1.43 -r1.44 src/sys/arch/amd64/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/amd64/include/vmparam.h
diff -u src/sys/arch/amd64/include/vmparam.h:1.43 src/sys/arch/amd64/include/vmparam.h:1.44
--- src/sys/arch/amd64/include/vmparam.h:1.43 Sat Jun 24 13:43:36 2017
+++ src/sys/arch/amd64/include/vmparam.h Sat Nov 11 20:23:49 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: vmparam.h,v 1.43 2017/06/24 13:43:36 joerg Exp $ */
+/* $NetBSD: vmparam.h,v 1.44 2017/11/11 20:23:49 mrg Exp $ */
/*-
* Copyright (c) 1990 The Regents of the University of California.
@@ -57,6 +57,12 @@
#define PAGE_MASK (PAGE_SIZE - 1)
/*
+ * Default pager_map of 16MB is awfully small. There is have plenty
+ * of VA so use it.
+ */
+#define PAGER_MAP_DEFAULT_SIZE (512 * 1024 * 1024)
+
+/*
* USRSTACK is the top (end) of the user stack. Immediately above the
* user stack resides the user structure, which is UPAGES long and contains
* the kernel stack.
