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authorPekka Enberg <penberg@cs.helsinki.fi>2009-06-11 08:41:22 +0300
committerPekka Enberg <penberg@cs.helsinki.fi>2009-06-11 19:27:12 +0300
commit0fb530291621c8b8a1b16abeeab05d9262489f71 (patch)
tree4b5fbb1781b279caf9cd20fb1ef5d04028548f43
parent4bdddf8ff9bbb8aa7b4d7847586202bd25842c90 (diff)
downloadlinux-0fb530291621c8b8a1b16abeeab05d9262489f71.tar.gz
sched: use slab in cpupri_init()
Lets not use the bootmem allocator in cpupri_init() as slab is already up when
it is run.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
-rw-r--r--kernel/sched.c2
-rw-r--r--kernel/sched_cpupri.c8
2 files changed, 6 insertions, 4 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 12cc09cf5147..dcf2dc28931a 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -7795,7 +7795,7 @@ static int __init_refok init_rootdomain(struct root_domain *rd, bool bootmem)
 	if (!alloc_cpumask_var(&rd->rto_mask, gfp))
 		goto free_online;
 
-	if (cpupri_init(&rd->cpupri, false) != 0)
+	if (cpupri_init(&rd->cpupri, bootmem) != 0)
 		goto free_rto_mask;
 	return 0;
 
diff --git a/kernel/sched_cpupri.c b/kernel/sched_cpupri.c
index 344712a5e3ed..7deffc9f0e5f 100644
--- a/kernel/sched_cpupri.c
+++ b/kernel/sched_cpupri.c
@@ -154,8 +154,12 @@ void cpupri_set(struct cpupri *cp, int cpu, int newpri)
  */
 int __init_refok cpupri_init(struct cpupri *cp, bool bootmem)
 {
+	gfp_t gfp = GFP_KERNEL;
 	int i;
 
+	if (bootmem)
+		gfp = GFP_NOWAIT;
+
 	memset(cp, 0, sizeof(*cp));
 
 	for (i = 0; i < CPUPRI_NR_PRIORITIES; i++) {
@@ -163,9 +167,7 @@ int __init_refok cpupri_init(struct cpupri *cp, bool bootmem)
 
 		spin_lock_init(&vec->lock);
 		vec->count = 0;
-		if (bootmem)
-			alloc_bootmem_cpumask_var(&vec->mask);
-		else if (!zalloc_cpumask_var(&vec->mask, GFP_KERNEL))
+		if (!zalloc_cpumask_var(&vec->mask, gfp))
 			goto cleanup;
 	}