summaryrefslogtreecommitdiff
path: root/i386/include
diff options
context:
space:
mode:
Diffstat (limited to 'i386/include')
-rw-r--r--i386/include/mach/i386/vm_param.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/i386/include/mach/i386/vm_param.h b/i386/include/mach/i386/vm_param.h
index a6b1efd..e3cb2e4 100644
--- a/i386/include/mach/i386/vm_param.h
+++ b/i386/include/mach/i386/vm_param.h
@@ -66,8 +66,13 @@
#define i386_trunc_page(x) (((unsigned)(x)) & ~(I386_PGBYTES-1))
/* User address spaces are 3GB each,
- starting at virtual and linear address 0. */
+ starting at virtual and linear address 0.
+
+ VM_MAX_ADDRESS can be reduced to leave more space for the kernel, but must
+ not be increased to more than 3GB as glibc and hurd servers would not cope
+ with that.
+ */
#define VM_MIN_ADDRESS ((vm_offset_t) 0)
-#define VM_MAX_ADDRESS ((vm_offset_t) 0xc0000000)
+#define VM_MAX_ADDRESS ((vm_offset_t) 0x80000000)
#endif /* _MACH_I386_VM_PARAM_H_ */