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authorMark Kettenis <kettenis@gnu.org>2000-07-23 21:18:46 +0000
committerMark Kettenis <kettenis@gnu.org>2000-07-23 21:18:46 +0000
commit6abc15e9439a77eef9730d0f86a0477f3ce3dabf (patch)
tree2169c4ef9e881914c47e3a082d4747d3ad23398d /sysdeps
parent6a1fc4ed179502fc1da5b297cd4268333f6595fb (diff)
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* sysdeps/mach/hurd/brk.c (_hurd_set_brk): When shrinking the program's data space, reallocate only the space that was just deallocated to release its backing space.
2000-07-22  Mark Kettenis  <kettenis@gnu.org>

	* sysdeps/mach/hurd/brk.c (_hurd_set_brk): When shrinking the
	program's data space, reallocate only the space that was just
	deallocated to release its backing space.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/mach/hurd/brk.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sysdeps/mach/hurd/brk.c b/sysdeps/mach/hurd/brk.c
index c5d09a35ac..b878c1fa32 100644
--- a/sysdeps/mach/hurd/brk.c
+++ b/sysdeps/mach/hurd/brk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,94,95,96,97,99 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,93,94,95,96,97,99,2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -78,7 +78,7 @@ _hurd_set_brk (vm_address_t addr)
 	  __vm_deallocate (__mach_task_self (), pagend, pagebrk - pagend);
 	  /* Now reallocate it with no access allowed.  */
 	  err = __vm_map (__mach_task_self (),
-			  &pagend, _hurd_data_end - pagend,
+			  &pagend, pagebrk - pagend,
 			  0, 0, MACH_PORT_NULL, 0, 0,
 			  0, VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE,
 			  VM_INHERIT_COPY);