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| author | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-06-10 23:42:36 +0300 |
|---|---|---|
| committer | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-06-11 19:27:04 +0300 |
| commit | 36b7b6d465489c4754c4fd66fcec6086eba87896 (patch) | |
| tree | b24eb922eea26181157c7e99047933d3df08ecfb /kernel | |
| parent | 444f478f65c7ca4606f9965b31feed13fe2bc9fa (diff) | |
| download | lwn-36b7b6d465489c4754c4fd66fcec6086eba87896.tar.gz lwn-36b7b6d465489c4754c4fd66fcec6086eba87896.zip | |
sched: use kzalloc() instead of the bootmem allocator
Now that kmem_cache_init() happens before sched_init(), we should use kzalloc()
and not the bootmem allocator.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 14c447ae5d53..a9ff9533355b 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -68,7 +68,6 @@ #include <linux/pagemap.h> #include <linux/hrtimer.h> #include <linux/tick.h> -#include <linux/bootmem.h> #include <linux/debugfs.h> #include <linux/ctype.h> #include <linux/ftrace.h> @@ -7782,21 +7781,18 @@ static void rq_attach_root(struct rq *rq, struct root_domain *rd) static int __init_refok init_rootdomain(struct root_domain *rd, bool bootmem) { + gfp_t gfp = GFP_KERNEL; + memset(rd, 0, sizeof(*rd)); - if (bootmem) { - alloc_bootmem_cpumask_var(&def_root_domain.span); - alloc_bootmem_cpumask_var(&def_root_domain.online); - alloc_bootmem_cpumask_var(&def_root_domain.rto_mask); - cpupri_init(&rd->cpupri, true); - return 0; - } + if (bootmem) + gfp = GFP_NOWAIT; - if (!alloc_cpumask_var(&rd->span, GFP_KERNEL)) + if (!alloc_cpumask_var(&rd->span, gfp)) goto out; - if (!alloc_cpumask_var(&rd->online, GFP_KERNEL)) + if (!alloc_cpumask_var(&rd->online, gfp)) goto free_span; - if (!alloc_cpumask_var(&rd->rto_mask, GFP_KERNEL)) + if (!alloc_cpumask_var(&rd->rto_mask, gfp)) goto free_online; if (cpupri_init(&rd->cpupri, false) != 0) @@ -9123,7 +9119,7 @@ void __init sched_init(void) * we use alloc_bootmem(). */ if (alloc_size) { - ptr = (unsigned long)alloc_bootmem(alloc_size); + ptr = (unsigned long)kzalloc(alloc_size, GFP_NOWAIT); #ifdef CONFIG_FAIR_GROUP_SCHED init_task_group.se = (struct sched_entity **)ptr; |