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>
diff --git a/kernel/sched_cpupri.c b/kernel/sched_cpupri.c
index 344712a..7deffc9f0 100644
--- a/kernel/sched_cpupri.c
+++ b/kernel/sched_cpupri.c
@@ -154,8 +154,12 @@
*/
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 @@
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;
}