It seems wrong to acquire the semaphore and then return from
cpuset_zone_allowed without releasing it. This was only compile tested.
bob
Signed-off-by: Bob Picco <[email protected]>
kernel/cpuset.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
Index: linux-2.6.14-mm1/kernel/cpuset.c
===================================================================
--- linux-2.6.14-mm1.orig/kernel/cpuset.c 2005-11-07 07:00:13.000000000 -0500
+++ linux-2.6.14-mm1/kernel/cpuset.c 2005-11-09 17:56:28.000000000 -0500
@@ -2036,11 +2036,12 @@ int cpuset_zone_allowed(struct zone *z,
if (gfp_mask & __GFP_HARDWALL) /* If hardwall request, stop here */
return 0;
+ if (current->flags & PF_EXITING) /* Let dying task have memory */
+ return 1;
+
/* Not hardwall and node outside mems_allowed: scan up cpusets */
down(&callback_sem);
- if (current->flags & PF_EXITING) /* Let dying task have memory */
- return 1;
task_lock(current);
cs = nearest_exclusive_ancestor(current->cpuset);
task_unlock(current);
-
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