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| author | Christoph Lameter <clameter@sgi.com> | 2006-10-11 01:21:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-11 11:14:19 -0700 |
| commit | 469340236a7c9673df3e6a2425f559517f01464e (patch) | |
| tree | 83453754d7e3ac5d9d16fbd19374c66899938afe | |
| parent | fc513a333b45f8913d40c8241a0cb61be79e1c60 (diff) | |
| download | lwn-469340236a7c9673df3e6a2425f559517f01464e.tar.gz lwn-469340236a7c9673df3e6a2425f559517f01464e.zip | |
[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>
| -rw-r--r-- | kernel/workqueue.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index cfc737bffe6d..3df9bfc7ff78 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; |