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-rw-r--r--sys/arch/hppa/include/vmparam.h6
-rw-r--r--sys/arch/mips64/include/vmparam.h6
-rw-r--r--sys/arch/sh/include/vmparam.h6
3 files changed, 15 insertions, 3 deletions
diff --git a/sys/arch/hppa/include/vmparam.h b/sys/arch/hppa/include/vmparam.h
index 6e3657028f8..6519c8601aa 100644
--- a/sys/arch/hppa/include/vmparam.h
+++ b/sys/arch/hppa/include/vmparam.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: vmparam.h,v 1.33 2006/06/04 17:21:24 miod Exp $ */
+/* $OpenBSD: vmparam.h,v 1.34 2008/08/22 10:41:37 kurt Exp $ */
/*
* Copyright (c) 1988-1994, The University of Utah and
@@ -77,6 +77,10 @@
#define VM_MIN_KERNEL_ADDRESS ((vaddr_t)0xc0001000)
#define VM_MAX_KERNEL_ADDRESS ((vaddr_t)0xef000000)
+/* use a small range for PIE to minimize mmap pressure */
+#define VM_PIE_MIN_ADDR PAGE_SIZE
+#define VM_PIE_MAX_ADDR 0x40000UL
+
/* virtual sizes (bytes) for various kernel submaps */
#define VM_PHYS_SIZE (USRIOSIZE*PAGE_SIZE)
diff --git a/sys/arch/mips64/include/vmparam.h b/sys/arch/mips64/include/vmparam.h
index 354421b5b16..17f75734fc8 100644
--- a/sys/arch/mips64/include/vmparam.h
+++ b/sys/arch/mips64/include/vmparam.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: vmparam.h,v 1.15 2008/07/25 21:25:25 miod Exp $ */
+/* $OpenBSD: vmparam.h,v 1.16 2008/08/22 10:41:37 kurt Exp $ */
/* $NetBSD: vmparam.h,v 1.5 1994/10/26 21:10:10 cgd Exp $ */
/*
@@ -101,6 +101,10 @@
#define VM_MIN_KERNEL_ADDRESS ((vaddr_t)0xffffffffc0000000L)
#define VM_MAX_KERNEL_ADDRESS ((vaddr_t)0xfffffffffffff000L)
+/* map PIE below 256MB (non-pie link address) to avoid mmap pressure */
+#define VM_PIE_MIN_ADDR PAGE_SIZE
+#define VM_PIE_MAX_ADDR 0x10000000UL
+
#ifndef VM_NFREELIST
#define VM_NFREELIST 1
#endif
diff --git a/sys/arch/sh/include/vmparam.h b/sys/arch/sh/include/vmparam.h
index 5934b9edac3..bdc7fa5990c 100644
--- a/sys/arch/sh/include/vmparam.h
+++ b/sys/arch/sh/include/vmparam.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: vmparam.h,v 1.6 2008/06/26 05:42:13 ray Exp $ */
+/* $OpenBSD: vmparam.h,v 1.7 2008/08/22 10:41:37 kurt Exp $ */
/* $NetBSD: vmparam.h,v 1.17 2006/03/04 01:55:03 uwe Exp $ */
/*-
@@ -41,6 +41,10 @@
#define VM_MIN_KERNEL_ADDRESS ((vaddr_t)0xc0000000)
#define VM_MAX_KERNEL_ADDRESS ((vaddr_t)0xe0000000)
+/* map PIE below 4MB (non-pie link address) to avoid mmap pressure */
+#define VM_PIE_MIN_ADDR PAGE_SIZE
+#define VM_PIE_MAX_ADDR 0x400000UL
+
/* top of stack */
#define USRSTACK VM_MAXUSER_ADDRESS