diff options
| author | Maksym Planeta <mcsim.planeta@gmail.com> | 2011-11-20 09:32:22 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2011-11-20 09:32:22 +0100 |
| commit | b378f6a008890a2f5497d63c1173a66151ef0915 (patch) | |
| tree | 6945a82cef859a4f55b29cdf4a8563a33910b136 /tmpfs | |
| parent | 969fbb646ffd89a482302e303eaded79781c3331 (diff) | |
Work with memory object only after vm_map has been performed
* tmpfs/node.c (diskfs_get_filemap): Work with memory object only after
vm_map has been performed.
Diffstat (limited to 'tmpfs')
| -rw-r--r-- | tmpfs/node.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/tmpfs/node.c b/tmpfs/node.c index 17fe8ce7..b2503a05 100644 --- a/tmpfs/node.c +++ b/tmpfs/node.c @@ -498,17 +498,18 @@ diskfs_get_filemap (struct node *np, vm_prot_t prot) return MACH_PORT_NULL; } assert (np->dn->u.reg.memobj != MACH_PORT_NULL); - /* A new-fangled default pager lets us prevent user accesses - past the specified size of the file. */ - err = default_pager_object_set_size (np->dn->u.reg.memobj, - np->allocsize); - assert_perror (err); /* XXX we need to keep a reference to the object, or GNU Mach will terminate it when we release the map. */ vm_map (mach_task_self (), &np->dn->u.reg.memref, 4096, 0, 1, np->dn->u.reg.memobj, 0, 0, VM_PROT_NONE, VM_PROT_NONE, VM_INHERIT_NONE); + + /* A new-fangled default pager lets us prevent user accesses + past the specified size of the file. */ + err = default_pager_object_set_size (np->dn->u.reg.memobj, + np->allocsize); + assert_perror (err); } /* XXX always writable */ |