From: Paul Jackson <[email protected]>
Fix unsafe reference to a tasks mm struct, by moving the
reference inside of a convenient nearby properly guarded
code block.
Signed-off-by: Paul Jackson <[email protected]>
---
kernel/cpuset.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- 2.6.16-mm1.orig/kernel/cpuset.c 2006-03-27 08:44:26.165846244 -0800
+++ 2.6.16-mm1/kernel/cpuset.c 2006-03-27 08:44:27.405861502 -0800
@@ -1183,11 +1183,11 @@ static int attach_task(struct cpuset *cs
mm = get_task_mm(tsk);
if (mm) {
mpol_rebind_mm(mm, &to);
+ if (is_memory_migrate(cs))
+ do_migrate_pages(mm, &from, &to, MPOL_MF_MOVE_ALL);
mmput(mm);
}
- if (is_memory_migrate(cs))
- do_migrate_pages(tsk->mm, &from, &to, MPOL_MF_MOVE_ALL);
put_task_struct(tsk);
synchronize_rcu();
if (atomic_dec_and_test(&oldcs->count))
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <[email protected]> 1.650.933.1373
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