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authorMichael I. Bushnell <mib@gnu.org>1996-05-24 19:16:10 +0000
committerMichael I. Bushnell <mib@gnu.org>1996-05-24 19:16:10 +0000
commit218d28a051f30d6c80895ab7df23c5bb6d1a6757 (patch)
tree4d5c8b9fa5ed38dc27fc4919f58a645f939c09ad /libmom/deallocate-memory.c
parent61b74a4c6890d684c9f169fbb4c443b2b450aeb7 (diff)
Initial revision
Diffstat (limited to 'libmom/deallocate-memory.c')
-rw-r--r--libmom/deallocate-memory.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/libmom/deallocate-memory.c b/libmom/deallocate-memory.c
new file mode 100644
index 00000000..bf7acfdb
--- /dev/null
+++ b/libmom/deallocate-memory.c
@@ -0,0 +1,35 @@
+/*
+ Copyright (C) 1996 Free Software Foundation, Inc.
+ Written by Michael I. Bushnell, p/BSG.
+
+ This file is part of the GNU Hurd.
+
+ The GNU Hurd is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ The GNU Hurd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
+
+#include "priv.h"
+
+error_t
+mom_deallocate_memory (void *start, size_t len)
+{
+ error_t err;
+
+ assert ((vm_address_t) start % vm_page_size == 0);
+ assert (len % vm_page_size == 0);
+
+ mutex_lock (&_mom_memory_lock);
+ err = vm_deallocate (mach_task_self (), (vm_address_t) start, len);
+ mutex_unlock (&_mom_memory_lock);
+ return err;
+}