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Fix up CFQ scheduler for recent rbtree node shrinkage
The color is now in the low bits of the parent pointer, and initializing it to 0 happens as part of the whole memset above, so just remove the unnecessary RB_CLEAR_COLOR. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -1318,7 +1318,6 @@ cfq_alloc_io_context(struct cfq_data *cfqd, gfp_t gfp_mask)
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if (cic) {
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memset(cic, 0, sizeof(*cic));
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RB_CLEAR_COLOR(&cic->rb_node);
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cic->last_end_request = jiffies;
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INIT_LIST_HEAD(&cic->queue_list);
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cic->dtor = cfq_free_io_context;
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