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Diffstat (limited to 'libmom/unuse-memory.c')
-rw-r--r-- | libmom/unuse-memory.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/libmom/unuse-memory.c b/libmom/unuse-memory.c deleted file mode 100644 index 363f2a45..00000000 --- a/libmom/unuse-memory.c +++ /dev/null @@ -1,43 +0,0 @@ -/* - 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_unuse_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); - /* Deallocate and reallocate so that we drop any mapping around. */ - err = vm_deallocate (mach_task_self (), (vm_address_t) start, len); - if (!err) - err = vm_map (mach_task_self (), (vm_address_t *)&start, len, 0, 0, - MACH_PORT_NULL, 0, 0, 0, - VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE, - VM_INHERIT_COPY); - mutex_unlock (&_mom_memory_lock); - return err; -} - - |