diff options
| -rw-r--r-- | libpager/pager-memcpy.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libpager/pager-memcpy.c b/libpager/pager-memcpy.c index 479c06f0..7bdc248b 100644 --- a/libpager/pager-memcpy.c +++ b/libpager/pager-memcpy.c @@ -45,7 +45,7 @@ pager_memcpy (struct pager *pager, memory_object_t memobj, #define VMCOPY_WINDOW_DEFAULT_SIZE (32 * vm_page_size) #define MEMCPY_WINDOW_DEFAULT_SIZE (32 * vm_page_size) - vm_address_t window = 0; + vm_address_t window; vm_size_t window_size; error_t do_vm_copy (void) @@ -64,6 +64,7 @@ pager_memcpy (struct pager *pager, memory_object_t memobj, assert (window_size >= VMCOPY_BETTER_THAN_MEMCPY); assert ((window_size & (vm_page_size - 1)) == 0); + window = 0; err = vm_map (mach_task_self (), &window, window_size, 0, 1, memobj, offset, 0, prot, prot, VM_INHERIT_NONE); if (err) @@ -110,6 +111,7 @@ pager_memcpy (struct pager *pager, memory_object_t memobj, window_size = round_page (pageoff + to_copy); } + window = 0; err = vm_map (mach_task_self (), &window, window_size, 0, 1, memobj, offset - pageoff, 0, prot, prot, VM_INHERIT_NONE); |