The patch titled
sched: don't renice kernel threads
has been added to the -mm tree. Its filename is
sched-dont-renice-kernel-threads.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: sched: don't renice kernel threads
From: Con Kolivas <kernel@xxxxxxxxxxx>
The practice of renicing kernel threads to negative nice values is of
questionable benefit at best, and at worst leads to larger latencies when
kernel threads are busy on behalf of other tasks.
Signed-off-by: Con Kolivas <kernel@xxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Nick Piggin <nickpiggin@xxxxxxxxxxxx>
Cc: "Siddha, Suresh B" <suresh.b.siddha@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/workqueue.c | 1 -
1 file changed, 1 deletion(-)
diff -puN kernel/workqueue.c~sched-dont-renice-kernel-threads kernel/workqueue.c
--- a/kernel/workqueue.c~sched-dont-renice-kernel-threads
+++ a/kernel/workqueue.c
@@ -294,7 +294,6 @@ static int worker_thread(void *__cwq)
if (!cwq->wq->freezeable)
current->flags |= PF_NOFREEZE;
- set_user_nice(current, -5);
/*
* We inherited MPOL_INTERLEAVE from the booting kernel.
* Set MPOL_DEFAULT to insure node local allocations.
_
Patches currently in -mm which might be from kernel@xxxxxxxxxxx are
sched-fix-idle-load-balancing-in-softirqd-context-fix.patch
lists-add-list-splice-tail.patch
sched-remove-sleepavg-from-proc.patch
sched-remove-noninteractive-flag.patch
sched-implement-180-bit-sched-bitmap.patch
sched-dont-renice-kernel-threads.patch
sched-implement-rsdl-cpu-scheduler.patch
sched-document-rsdl-cpu-scheduler.patch
sched-add-above-background-load-function.patch
mm-implement-swap-prefetching.patch
swap-prefetch-avoid-repeating-entry.patch
-
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