The patch titled
Subject: ipc/mqueue: remove redundant wq task assignment
has been added to the -mm tree. Its filename is
ipc-mqueue-remove-redundant-wq-task-assignment.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ipc-mqueue-remove-redundant-wq-task-assignment.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ipc-mqueue-remove-redundant-wq-task-assignment.patch
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------------------------------------------------------
From: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Subject: ipc/mqueue: remove redundant wq task assignment
We already store the current task fo the new waiter before calling
wq_sleep() in both send and recv paths. Trivially remove the redundant
assignment.
Link: http://lkml.kernel.org/r/20190321190216.1719-1-dave@xxxxxxxxxxxx
Signed-off-by: Davidlohr Bueso <dbueso@xxxxxxx>
Cc: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
ipc/mqueue.c | 2 --
1 file changed, 2 deletions(-)
--- a/ipc/mqueue.c~ipc-mqueue-remove-redundant-wq-task-assignment
+++ a/ipc/mqueue.c
@@ -617,8 +617,6 @@ static void wq_add(struct mqueue_inode_i
{
struct ext_wait_queue *walk;
- ewp->task = current;
-
list_for_each_entry(walk, &info->e_wait_q[sr].list, list) {
if (walk->task->prio <= current->prio) {
list_add_tail(&ewp->list, &walk->list);
_
Patches currently in -mm which might be from dave@xxxxxxxxxxxx are
lib-plist-rename-debug_pi_list-to-debug_plist.patch
ipc-mqueue-remove-redundant-wq-task-assignment.patch
ipc-mqueue-optimize-msg_get.patch
