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early_res: Add free_early_partial()

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To free partial areas in pcpu_setup...

Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
LKML-Reference: <4B85E245.5030001@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu
2010-02-24 18:36:53 -08:00
committed by Ingo Molnar
parent 2ee78f7b1d
commit fb90ef93df
4 changed files with 62 additions and 3 deletions
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6
arch/x86/kernel/setup_percpu.c
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@ -137,7 +137,13 @@ static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align)
static void __init pcpu_fc_free(void *ptr, size_t size)
{
#ifdef CONFIG_NO_BOOTMEM
u64 start = __pa(ptr);
u64 end = start + size;
free_early_partial(start, end);
#else
free_bootmem(__pa(ptr), size);
#endif
}
static int __init pcpu_cpu_distance(unsigned int from, unsigned int to)