The patch titled
Fix kevent's childs priority greediness
has been removed from the -mm tree. Its filename was
fix-kevents-childs-priority-greediness.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: Fix kevent's childs priority greediness
From: Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx>
Fix kevent's childs priority greediness. Such tasks were always scheduled
at nice level -5 and, at that time, udev stole us the CPU time with -5.
Already posted at http://lkml.org/lkml/2005/1/10/85
[akpm@xxxxxxxxxxxxxxxxxxxx: add comment]
Signed-off-by: Jan Engelhardt <jengelh@xxxxxx>
Cc: Chris Wright <chrisw@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/kmod.c | 6 ++++++
1 file changed, 6 insertions(+)
diff -puN kernel/kmod.c~fix-kevents-childs-priority-greediness kernel/kmod.c
--- a/kernel/kmod.c~fix-kevents-childs-priority-greediness
+++ a/kernel/kmod.c
@@ -165,6 +165,12 @@ static int ____call_usermodehelper(void
/* We can run anywhere, unlike our parent keventd(). */
set_cpus_allowed(current, CPU_MASK_ALL);
+ /*
+ * Our parent is keventd, which runs with elevated scheduling priority.
+ * Avoid propagating that into the userspace child.
+ */
+ set_user_nice(current, 0);
+
retval = -EPERM;
if (current->fs->root)
retval = kernel_execve(sub_info->path,
_
Patches currently in -mm which might be from jengelh@xxxxxxxxxxxxxxx are
origin.patch
git-dvb.patch
git-watchdog.patch
use-menuconfig-objects-acpi.patch
use-menuconfig-objects-libata.patch
use-menuconfig-objects-block-layer.patch
use-menuconfig-objects-connector.patch
use-menuconfig-objects-crypto.patch
use-menuconfig-objects-crypto-hw.patch
use-menuconfig-objects-dccp.patch
use-menuconfig-objects-i2o.patch
use-menuconfig-objects-ide.patch
use-menuconfig-objects-ipvs.patch
use-menuconfig-objects-sctp.patch
use-menuconfig-objects-tipc.patch
use-menuconfig-objects-arcnet.patch
use-menuconfig-objects-phy.patch
use-menuconfig-objects-toeknring.patch
use-menuconfig-objects-netdev.patch
use-menuconfig-objects-oldcd.patch
use-menuconfig-objects-parport.patch
use-menuconfig-objects-pcmcia.patch
use-menuconfig-objects-pnp.patch
use-menuconfig-objects-w1.patch
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