diff options
Diffstat (limited to 'sys/vm/vm_mmap.c')
| -rw-r--r-- | sys/vm/vm_mmap.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/vm/vm_mmap.c b/sys/vm/vm_mmap.c index ce349acb2d49..1721fd3e1bac 100644 --- a/sys/vm/vm_mmap.c +++ b/sys/vm/vm_mmap.c @@ -626,7 +626,7 @@ madvise(p, uap) /* * Check for illegal behavior */ - if (uap->behav < 0 || uap->behav > MADV_FREE) + if (uap->behav < 0 || uap->behav > MADV_AUTOSYNC) return (EINVAL); /* * Check for illegal addresses. Watch out for address wrap... Note @@ -1046,9 +1046,10 @@ vm_mmap(vm_map_t map, vm_offset_t *addr, vm_size_t size, vm_prot_t prot, flags |= MAP_SHARED; } - if ((flags & (MAP_ANON|MAP_SHARED)) == 0) { + if ((flags & (MAP_ANON|MAP_SHARED)) == 0) docow |= MAP_COPY_ON_WRITE; - } + if (flags & MAP_NOSYNC) + docow |= MAP_DISABLE_SYNCER; #if defined(VM_PROT_READ_IS_EXEC) if (prot & VM_PROT_READ) |