diff options
| author | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-06-11 08:41:22 +0300 |
|---|---|---|
| committer | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-06-11 19:27:12 +0300 |
| commit | 0fb530291621c8b8a1b16abeeab05d9262489f71 (patch) | |
| tree | 4b5fbb1781b279caf9cd20fb1ef5d04028548f43 /kernel | |
| parent | 4bdddf8ff9bbb8aa7b4d7847586202bd25842c90 (diff) | |
| download | lwn-0fb530291621c8b8a1b16abeeab05d9262489f71.tar.gz lwn-0fb530291621c8b8a1b16abeeab05d9262489f71.zip | |
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>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched.c | 2 | ||||
| -rw-r--r-- | kernel/sched_cpupri.c | 8 |
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; } |