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authorIngo Molnar <mingo@elte.hu>2009-01-11 03:41:39 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-11 03:41:39 +0100
commitabede81c4fb2e3b85d8760f25e3da39d2c69a134 (patch)
tree26c893ec108d837eb9171d678c55a1cea7b22af4 /ipc
parentc9d557c19f94df42db78d4a5de4d25feee694bad (diff)
parentc59765042f53a79a7a65585042ff463b69cb248c (diff)
Merge commit 'v2.6.29-rc1' into core/urgent
Diffstat (limited to 'ipc')
-rw-r--r--ipc/mqueue.c3
-rw-r--r--ipc/shm.c12
2 files changed, 14 insertions, 1 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index eddb6247a553..23fdb8492b8e 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -505,7 +505,8 @@ static void __do_notify(struct mqueue_inode_info *info)
sig_i.si_errno = 0;
sig_i.si_code = SI_MESGQ;
sig_i.si_value = info->notify.sigev_value;
- sig_i.si_pid = task_tgid_vnr(current);
+ sig_i.si_pid = task_tgid_nr_ns(current,
+ ns_of_pid(info->notify_owner));
sig_i.si_uid = current_uid();
kill_pid_info(info->notify.sigev_signo,
diff --git a/ipc/shm.c b/ipc/shm.c
index b125b560240e..d0ab5527bf45 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -990,6 +990,7 @@ asmlinkage long sys_shmdt(char __user *shmaddr)
*/
vma = find_vma(mm, addr);
+#ifdef CONFIG_MMU
while (vma) {
next = vma->vm_next;
@@ -1034,6 +1035,17 @@ asmlinkage long sys_shmdt(char __user *shmaddr)
vma = next;
}
+#else /* CONFIG_MMU */
+ /* under NOMMU conditions, the exact address to be destroyed must be
+ * given */
+ retval = -EINVAL;
+ if (vma->vm_start == addr && vma->vm_ops == &shm_vm_ops) {
+ do_munmap(mm, vma->vm_start, vma->vm_end - vma->vm_start);
+ retval = 0;
+ }
+
+#endif
+
up_write(&mm->mmap_sem);
return retval;
}