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944770ab54
Tejun reported that his resume was failing due to order-3 allocations from sched_domain building. Replace the NR_CPUS arrays in there with a dynamically allocated array. Reported-by: Tejun Heo <tj@kernel.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Juri Lelli <juri.lelli@gmail.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/n/tip-kat4gl1m5a6dwy6nzuqox45e@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
34 lines
656 B
C
34 lines
656 B
C
#ifndef _LINUX_CPUDL_H
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#define _LINUX_CPUDL_H
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#include <linux/sched.h>
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#define IDX_INVALID -1
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struct cpudl_item {
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u64 dl;
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int cpu;
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int idx;
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};
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struct cpudl {
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raw_spinlock_t lock;
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int size;
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cpumask_var_t free_cpus;
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struct cpudl_item *elements;
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};
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#ifdef CONFIG_SMP
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int cpudl_find(struct cpudl *cp, struct task_struct *p,
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struct cpumask *later_mask);
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void cpudl_set(struct cpudl *cp, int cpu, u64 dl, int is_valid);
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int cpudl_init(struct cpudl *cp);
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void cpudl_cleanup(struct cpudl *cp);
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#else
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#define cpudl_set(cp, cpu, dl) do { } while (0)
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#define cpudl_init() do { } while (0)
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#endif /* CONFIG_SMP */
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#endif /* _LINUX_CPUDL_H */
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