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authorChristoph Lameter <clameter@sgi.com>2006-10-11 01:21:26 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-11 11:14:19 -0700
commit469340236a7c9673df3e6a2425f559517f01464e (patch)
tree83453754d7e3ac5d9d16fbd19374c66899938afe /kernel/workqueue.c
parentfc513a333b45f8913d40c8241a0cb61be79e1c60 (diff)
downloadop-kernel-dev-469340236a7c9673df3e6a2425f559517f01464e.zip
op-kernel-dev-469340236a7c9673df3e6a2425f559517f01464e.tar.gz
[PATCH] mm: kevent threads: use MPOL_DEFAULT
Switch the memory policy of the kevent threads to MPOL_DEFAULT while leaving the kzalloc of the workqueue structure on interleave. This means that all code executed in the context of the kevent thread is allocating node local. Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Christoph Lameter <clameter@sgi.com> Cc: Alok Kataria <alok.kataria@calsoftinc.com> Cc: Andi Kleen <ak@suse.de> Cc: <pj@sgi.com> Cc: <shai@scalex86.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/workqueue.c')
-rw-r--r--kernel/workqueue.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index cfc737b..3df9bfc 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -28,6 +28,7 @@
#include <linux/notifier.h>
#include <linux/kthread.h>
#include <linux/hardirq.h>
+#include <linux/mempolicy.h>
/*
* The per-CPU workqueue (if single thread, we always use the first
@@ -245,6 +246,12 @@ static int worker_thread(void *__cwq)
sigprocmask(SIG_BLOCK, &blocked, NULL);
flush_signals(current);
+ /*
+ * We inherited MPOL_INTERLEAVE from the booting kernel.
+ * Set MPOL_DEFAULT to insure node local allocations.
+ */
+ numa_default_policy();
+
/* SIG_IGN makes children autoreap: see do_notify_parent(). */
sa.sa.sa_handler = SIG_IGN;
sa.sa.sa_flags = 0;
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