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[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.

Christoph Lameter committed 20 years ago

Commit 46934021 parent fc513a31 file · +7 −0Browse files

Showing the changes to kernel/workqueue.c (1 of 1 file). Show all

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kernel/workqueue.c+7−0
@@ -28,6 +28,7 @@ · 27 unmodified lines
28#include <linux/notifier.h>28#include <linux/notifier.h>
29#include <linux/kthread.h>29#include <linux/kthread.h>
30#include <linux/hardirq.h>30#include <linux/hardirq.h>
31#include <linux/mempolicy.h>
31 32
32/*33/*
33 * The per-CPU workqueue (if single thread, we always use the first34 * The per-CPU workqueue (if single thread, we always use the first
@@ -245,6 +246,12 @@ static int worker_thread(void *__cwq) · 211 unmodified lines
245 sigprocmask(SIG_BLOCK, &blocked, NULL);246 sigprocmask(SIG_BLOCK, &blocked, NULL);
246 flush_signals(current);247 flush_signals(current);
247 248
249 /*
250 * We inherited MPOL_INTERLEAVE from the booting kernel.
251 * Set MPOL_DEFAULT to insure node local allocations.
252 */
253 numa_default_policy();
254
248 /* SIG_IGN makes children autoreap: see do_notify_parent(). */255 /* SIG_IGN makes children autoreap: see do_notify_parent(). */
249 sa.sa.sa_handler = SIG_IGN;256 sa.sa.sa_handler = SIG_IGN;
250 sa.sa.sa_flags = 0;257 sa.sa.sa_flags = 0;