rk3568 rt init

hc

2023-11-06 e3e12f52b214121840b44c91de5b3e5af5d3eb84

 kernel/mm/compaction.c
..
..
@@ -1669,10 +1669,12 @@
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1669
 				block_start_pfn(cc->migrate_pfn, cc->order);
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1670
 
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 			if (cc->last_migrated_pfn < current_block_start) {
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-				cpu = get_cpu();
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+				cpu = get_cpu_light();
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+				local_lock_irq(swapvec_lock);
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 				lru_add_drain_cpu(cpu);
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+				local_unlock_irq(swapvec_lock);
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 				drain_local_pages(zone);
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-				put_cpu();
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+				put_cpu_light();
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 				/* No more flushing until we migrate again */
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 				cc->last_migrated_pfn = 0;
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 			}